Downswings suck don't they?

Hand 1 - fine

Hand 2 - I 3 bet preflop here, the only reason not to is that you have a reason to believe that villian will overplay his hand b/c of your deception and give back more than the SB you're missing preflop, which I don't think happens often enough. You have to bet the turn, maybe he has AJ but you have the best hand most of the time

Hand 3 - If button is reall a maniac, use your position to force MP3 out of the hand. I likely just smooth call his 3 bet preflop, lead basically any flop, then when he raises 3 bet. MP3 is going to think you have a monster and is going to fold a lot of hands as he realizes that it is going to be very expensive to get to showdown. If button get's lucky so what. As played, if button is really a maniac, I c/r the turn for the same reasons. If button has a better hand so be it.

Hand 4 - I bet the river