Freedom is the ability or capability to act.
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If you have a sore shoulder and your joints are stiff then the freedom of movement is limited. If you ar a contortionist who can do the splits you have greater freedom of movement of your joints.
As to freedom of will, this has always been a more tricky question partly because will is sometimes seen as an unmoved force. Despite the numerous pressures on our will such as duty, peer presure, and emotion; the final decision we will is seen as arbitrary.
With modern brain science the posibility that our actions are controlled by circumstances rather than arbitrary choice, has become more plausible.
It is possible for instance to wire your brain to a machine that will know what you will decide before you do it, and even print out your next thoughts (or choices) before you think them.
It is also possible to stimulate your brain to recall memories or have religious visitations.
In answer to your question doing what is responsible or what your heart wants are both equally free or unfree.
If you are a slave to your emotions or a slave to reason you are still a slave, unless your are your resons and emotions or they are a part of what defines you.
At the quantum level it appears that the universe is ultimately arbitrary, this may mean that everything has an element of freedom to it; and our thoughts, and the future, are not set by the past.
It is however obvious that there are pressures on us which lead our actions to fairly predictable 90% of the time.
If a wife is able to guess that her husband will kiss her before he leaves for work, it does not mean he is not free to do otherwise. He may simply enjoy the experience and/or see no reason to break the habit.
Your emotions are a part of you. Transactional Analysis describes people as having three main parts of their personality. Parent, Adult, and Child, with the Adult being the logical part that keeps the other two in ballance. It is the child within us that enjoys life and wants immediate comforting.
There is nothing wrong with satisfying your emotional needs, as long as a part of you is able to devise sensible ways of preventing you from doing things that will reduce your freedom to act. If you get an emotional impulse to do vioence you might be arrested. If you burn bridges in your relationships you may miss out on companionship.
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Your emotional responses often originate in the right brain, whilst our logical calculations to calculate or justify actions are often right centered. For this reason whispering sweet nothings is more effective in the left ear and giving instructions is more likely to be heard in the right.
Somtimes our left brain might think one thing but our right brain may have an intution to the contrary.
The left brain tends to think in ways that you can put into words and relies on formal logic or locical explanations to justify actions. This fits with what we describe as our logical minds. The left brain is more like a neural network computer that can give you good advice but can not put into words ho the conclusion was reached because it is made up from many mini impressions that are balanced to give an answer.
If your heart or intuition is telling you something you should listen to it, and ballance your intuitions with your intellectual knowledge.
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As well as the left right bias there are ballances between the mid brain and frontal lobes, with the forebrain being more itellectual and the mid brain being more concerned with basic reptilian instincts for survival. Mamalian needs for social emotional needs are further out, with the human intellect stuck on the outside mostly behind the forehead.
In everyday terms we say we think with our gut, heart, or head, but the actual thinking is in different parts of the brain.
Admitedly the brain works together as a whole but our gut emotions are controlled more by our reptilian brain, our social needs by our mamalian brain and our human intellect by areas unique to humans. Much of the time we only use this part to justify our actions, or put ourselves down, rather than controlling our lives to maximaize our freedom to enjoy life.
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Often teenagers have more freedom when bound by their parents rules. Rules or constraints protect us from things that would deinish our freedom. Sending a teenager out in the world not knowing the rules on how best to act will often lead to the kid being stuck in a rut they are unable to get out of, giving them less choices in their daily life than what they had at home. Kids who leave home for more freedom often find they have less free time, and less choices.
Artists who have to work in confinded rules such as a set space or media, often come up with more creative works.
Laws of logic find that wherever you make a choice, or add new possibilities that open new doors, on old door somewhere is closed forever.
The net result is that whenever we exercise our freedom of choice there are some choices that we can no longer make.
E.g. If you choose to marry , single life is lost.
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Most likely the point that was trying to be put is that if you follow every whim of your emotions without ckecking that you are doing something stupid, your life will not go as smoothly as you would like.