Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

I think this is an avoidance behavior because of anxiety or depression feelings.
I would try to find a counselor and look into stress relief dvd/cd's or books. You are young you might be able to avoid getting on meds.