>> My sourdough is at the "make enough different things to keep using my starter" stage.<<

There are hundreds of recipes to play around with.

https://keeperofthehome.org/using-sourdough-in-wonderful-and-unusual-ways/

>> Georg (starter) got neglected last semester with some stuff going on and went off after a roommate left some food to get moldy in the fridge :( so the goal this semester is to teach that roommate how to monitor expiration dates and use my starter on a more regular basis.<<

It can be very challenging to keep a fridge with nothing past-due in it. Some folks keep a minifridge for their cultures.

>>I want to try doing a smaller bread loaf next week (we're rehydradating a backup this week). Cause I cannot get through a whole large loaf on my own without freezing it.<<

Well, there are small-loaf pans, or you can try shaping artisan boules.

https://www.aheadofthyme.com/small-batch-sourdough-bread/

https://www.pantrymama.com/small-batch-sourdough-bread/

https://figjamandlimecordial.com/2015/04/07/sourdough-mini-loaves-and-melba-toasts/

It also makes great bread bowls:
https://www.halfbakedharvest.com/sourdough-bread-bowls/


>>I should definitely explore more flavors eventually. Right now Georg is on a whole wheat diet. I also want to try some inclusions to get more flavors.<<

https://countryroadssourdough.com/21sourdoughaddins/