Tbh i think you're getting down on yourself for no reason on most of those hands. My humble opinion...

1) The 3-bet on the flop is suppppper suspicious, so maybe u could call and re-evaluate on turn. This could very well be results-oriented tho
2) PF is fine IMO, depending on how aggro BB is. If he likes to call then you'll be gettin good odds to see a flop, but if he's a raise monkey i'd dump it. U know where u went wrong on turn/river.
3) Marginal, but by no means terrible. 50/50 between playing it the same and dumping PF (again depends on villain). Was villain a nitty mcnit? U have no FE once he reraises to $25 so if villains range doesn't include TPGK, worse flush draws (unlikely given raise size? He'd prolly either call ur raise or shove) i guess u can fold.
4) Mehhh, tough to fold here. Unless u know that villain is never doing this with a draw, KQ, QJ, 10Q, XhXh etc. then i'm going broke also.
5) Check/fold or Check/shove turn. U have outs when behind and FE.

As far as the coolers and stuff goes, u should try and not let it affect you. I mean, if u have over 100k hands logged, u'd think u'd be used to it by now? As an expiriment, go through ur database and see how many times u've held AA vs KK AIPF, set over set, flush over flush etc. I'm sure you'll find it's comparable to how often u've had the worst of it

Woo, feels good to be back and thinking about poker again!