I'm not sure but i think it is called an involuntary movement.
I believe the word you're looking for is spontaneous.
A person who acts without thinking is usually called "impulsive."
Involuntary Actions
Yes, by reflex or spasm or a repetitive motion where your mind drifts off.
You might be thinking of Paralyzer by Finger Eleven
It is called an impulsive reaction. It involves responding quickly without considering the consequences or implications of one's actions.
it is called instinct and you can either be born with an instinct or you can learn it
Flexibility is being able to move your arms and legs without pain or tightness.
you scoop it up and move on without thinking to deep. just like when a windex bottle falls , you pick it up and move along..... his loss...
Passive transport is when substances move past the membrane without using any energy.
Perhaps you are thinking of Tourette's syndrome.
This is not a legal chess move in keeping with the rules of chess . You may be thinking of Castling ~ see related link below .
When you stop thinking about him/her!!!!!!! EDIT: You don't necessarily have to stop thinking about them to be over them. You will know when your over them, you will stop hurting, you will be able to move on and be with someone else without comparing the two, you will be able to forgive them and talk to them without any resentment.