…get as much sleep as I humanly can, try to feed myself healthier food (and more regularly), develop my hobbies (mini painting, playing the bass, sketching, writing), re-establish a semblance of a social life by exploring the city and its options, spending more time with friends… Pretty much just living life.

That’s not nothing!

Heat death would be my assumption, so between about 10^100 and 10^106 years