What the hell am I doing?

Just did something uncheeselike. Lost $320 in about 15 minutes playing $0.50/$1. Was up around $40 at one stage and was going to quit then but then this happened:

http://www.pokerhand.org/?2752036

So decided to carry on, then:

http://www.pokerhand.org/?2752048

Tilted so pushed a flush draw:

http://www.pokerhand.org/?2752061

And finally got stacked when I would usually have folded the flop with no problems at all:

http://www.pokerhand.org/?2752066

Obviously this had a catastrophic effect on the graph:



Oops...