1. you lost money. ( only reason)

apart from that, there are enough reasons to stay back.

1. You gained plenty of experience with communicating different kind of personalities.

2. Gained / shared knowledge.

3. You will come to know about Doha happenings.

4. Plenty of good friends you gained during your journey in QL.

5. Nothing to loose just to gain ( as u may not lend any more money to any one)

6. QL is journey, where in you will find good,bad and everything so with everyday u will gain experience.