Experiences - BlackOuts and acting crazy?

[Ganja2k8]

Ever since swim started drinking hes had blackouts and at times acted crazy or violent. How ever recently swim has been getting these black outs a lot more and everytime he gets them he needs some one else to tell him the story and its always something stupid. Its got to the point were swim dosent even like or enjoy drinking with his freinds cause he always blacks out and does something stupid.

Usually swim is not very talkative and laid back with a "dont worry be happy" attitude, but the way he acts when he blacks out just isnt normal. Based on what other people have told me ive talked to myself in the mirror, started fights with my freinds, seems to look as if somethings always annoying me, twitchy, increased paranoia, more aggresive (im usually not aggresive at all) going from extremely talkative and loud to just not saying one word, staring into space with a blank look on swims face, trying to get away from close freinds, random acts of vandalism for example walking past a car then suddenly just punching the wind mirror off. Swims parents have also caught him trying to pee in the most stupid places like the living room.

Swim would like to ad that no other substance is taken like valium.Swim also wants to add he dosent need to drink excess to get this way i can black out on one bottle of strongbow and for some reason i can always tell when im nearly going to black out.

Swims freinds have told him he goes a crazy way when hes drunk and swims ashamed of the way he acts sometimes.

Is this a phsycological problem? Or is swim just not a nice drunk?

Thanks for any help you can give.

Swim would also like to hear any similar stories if anyone has so i know im not alone.