I also wouldn't brag about it and keep it to myself. The less people know how much money you got the better and bitcoin gives you a chance to keep it a secret. If you spill the beans and get robbed, or injured by someone, you got only yourself to blame. Also wealth attracts certain kind of people. He'll now have many "true" friends coming out of the woodwork.
Exactly. If I suddenly become a millionaire, I wouldn't want the entire world to know. That would make me a walking target.