Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: I'll start this by saying that they won, they put everything on one row, so they tripled the money, basically. This was when they were out drinking one time without me.

Me and four of my friends planned a two week vacation to the Bahamas three months ago. It was $2100/person, all-inclusive including plane tickets. The hotel wanted $700 in a deposit. I couldn't pay the whole sum three months ago, so I told my friends I could pay them back in the beginning of April. They agreed.

They went out drinking and gambled with the money. They didn't tell me beforehand or for 2 months because they wanted to surprise me about the fact that I didn't have to pay them back. They've also upgraded us to more luxurious suites and extended our stay by one week. 

At this point I'm furious. 

Firstly they gambled with my money without my knowledge. 
Secondly they used that money to upgrade the suites without my knowledge. 
Thirdly they extended the stay to three weeks instead of two. I took two weeks off work and I'm not sure if I can get another week.

Now I'm thinking I'm not going on this trip because of this shit. So I told them I want my deposit back and I want my share of the winnings. They told me fine, you can get your deposit back but not your winnings because we'll need those because we upgraded the suites and you still owe us money from the original deposit. 

I tried to explain to them that I'm not going on the trip with them. So then I said ok, I'm paying the deposit for the original reservation of $700 and I want the winnings from the money you gambled with. They said no that's not happening since I didn't partake in the gambling so I wasn't there to deserve the winnings. What the fuck.

AITA here?

wanting my money back when my friends used my/our money from our joint vacation account to gamble