Well, you came this far, didn't you? What you do:
1. Think 'GD, IT!' I HAD to call K-9s for a raise pf just bec I'm OTB and it looks pretty.
2. Think 'JFC! I've got lots of outs but the other guy might raise and it could be 2 bets back to me and then what, I've got to call that also, jfc!'
3. So, of course, you call and you will either hate your life or be happy that you sucked out.
If you lose try not to let it bother you too much, many of us do the same thing. But if you win don't congratulate yourself either.
Oh, look! I checked before I hit submit reply and there is SM w/ cutesy reply also. His can be condensed into 'call and pray' and that's not a bad piece of advice which I know to be true since I pray in those spots also and when I pray in the poker room I really mean it.