ok... so in the past i have hit my head many times... got punched, hit the ground, tok a basketball to the head... and yeah... when i was younger... i just got hit in the head andi felt nothing after that... and there were times when there were pretty hard hits too... now as i am older i remember bout 3-4 years ago i got hit then i first had the sysptoms of concusionn... egven though i dont beleive that it was any harder that the hits previous.... but since then... every concussion i get i immediatley get the syptoms of sleepiness and headaches and i little akward feeling in the head... just a few days ago a stupid friend of mine gave me a sorta hard yet not really hard pat on the head... now i feel concussed liked before... but would a pat like that really cause a conscusiion?>? or am i like very prone to concussions now or something?? please let me know/...(im turning 17 soon)