1. Don't take advice from strangers on the internet. 
2. Have babies with a good woman, and babies are always expensive. 
3. It's fine to party, but make sure you work hard. It's so much easier to work hard, in your 20's than in your 40's. 
4. Pay off debt, unless it's to buy assets and don't use leverage. 
5. Don't take advice from strangers on the internet. 

 Ironically, the Internet allows and encourages people to be honest and so you often get great advice when asking for it openly, as op has.

The Internet also has trolls. Use your judgement and ignore them.