hi justfloating, just try to set small goals for yourself-like introducing yourself to someone, etc. when u find yourself isolating set a goal to step outside for a few. like baby steps to break your patterns that cause you to withdraw. i've had to learn at times to do this and the key is be gentle to yourself but be determined to do the baby steps. set goals you can reach. this will help to ward off the unknown fears and regain confidence in yourself. 
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Do not let your fire go out, spark by irreplaceable spark, in the hopeless swamps of the approximate, the not-quite, the not-yet, the not-at-all. Do not let the hero in your soul perish, in lonely frustration for the life you deserved, but have never been able to reach. Check your road and the nature of your battle.
The world you desired can be won. It exists, it is real, it is possible, it is yours..~Ayn Rand
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