<human>: Provide a brief overview of the text.

Well. This girl I've been chasing for 4 years. We finally got together. Its been 5 months and she revealed to me last Monday that the Friday prior she got blacked out drunk and kissed a long time friend. 

She insisted that she's never done anything like that in any relationship. She waited 2 days to tell me... Said she was petrified and didn't know how to tell me. She seemed very sorry and was understanding and acceptive of how I wanted to handle it.

 I decided to keep the relationship going. We have a strong background in relaying how big trust is to each other, and that we've had huge issues with being betrayed in the past.

 My question is... Do I seem like a hopeless cause? Do I seem like I'm desperately trying to hold on? Do you guys see that as betrayal? Any similar situations and how they ended you guys care to share?
<bot>: Girlfriends drunk and kisses guy. Catches me by huge surprise. Long history (prior friends) of expressed trust being important. Cheating? Thoughts? Questions? Stories?