You could always write letters. I write my bro overseas in Kuwait at least once a week, but anyone enjoys getting a letter. You can even write about how bored you are because you can't doanything.
I can spend hours reading, surfing the net, watching tv or movies, so I'm not the best person to spend hours with. Preplan the next five years breeding snakes, basing the plans off what you might hatch, buy or need. Figure out the budget for all of it, including the various amounts based on whther your hatchlings sold or not.
Design on paper the idea snake room if you had NO budget constraints. Or hey, do a whole house. Design a zoo for reptiles that would please herpers.
Brush up on your japanese? Learn sign language from the online sources. Read WebMD and figure out the most outrageous thing you could have based on symptoms you can actually honestly say you have.
Make faces at yourself in the mirror, then get mad and insult yourself for making faces.