Adults Need to Learn to Prioritize

I need some advice on what to do with scheduling life.

You see, I work as a Sales Associate at the local store of a Liquor Store franchise, and it's conveniently located by my apartment. My schedules are Saturday to Wednesday, all 8 hour shifts, with Thursday and Friday off. I have full time hours, and I'd hate to give them up. I'm very happy with this schedule, and I have things that I do on those two days.

However, I formed a sort of Star Wars/Jedi club with some friends last year, and two of them have set up a regular training schedule, seeing as we do light saber duels. 

Problem, it starts on Saturday evening, and that's when I start my shift. Granted, with the school year just about over, a lot more free time is available. The issue?

There are now possible scheduling problems. If I do it Thursday evening, after a Dungeons and Dragons game I have in the morning, I may not be able to join some other games held in the evening. If I do it Friday, I would have to meet up with them at 4pm, and then leave for the game I play in every Friday.

The best option I have is to see if I can switch my days off to Friday and Saturday, but I’m scared that to do so, I'll lose my full-time hours, and that it'll affect my social life with my friends. 

Please help.

Jesse (age 23)
 
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Dear Jesse,
 
Part of being an adult is learning how to set priorities. In your case, the number one priority should be keeping your full-time job. I would not risk losing full-time status for the sake of playing games with your friends.
 
Schedule fun time on the Thursdays and Fridays you have off. If you can’t, and your friends are not willing to try and accommodate your work schedule, then try to find friends who will.
 
Social time is important, but work is more important. Welcome to adult life!
 
Papabear