It sounds like you have yourself in quite a pickle. I would not suggest any form of prognosis. Your mix of problems can make it hard to determine if any remedy is working.

Head injuries heal when they want to. The statistics say that many heal (as much as they will heal) in a matter of months.

The studies do show that multiple minor traumas within a short period of time can be far more permanently damaging that one more serious trauma.

It sounds like you might fit the multiple traumas statistic.

Studies show that soccer players suffer decreases in IQ of about 10% from the multiple heading of the ball, especially during heading drills.