Nothing.
Absolutely nothing is the correct answer. It's my favorite thing to do actually...nothing. It doesn't require a shower. It doesn't require pants that aren't stretchy or mascara.
Nothing, of course, can mean a vast many things. "Nothing" is definitely subjective. My nothing and your nothing could be completely different - in fact, my nothing varies day by day. Today my nothing could be watching tv all day long, tomorrow my nothing could be playing Mass Effect...yesterday it was drinking wine and reading
I feel like I crammed a lot of "stuff" into my late teens/early twenties. I snowmachined, flyfished, camped, hiked small mountains, etc. And now...I just don't wanna. I still like those things, I just don't want to do them. I want to do other stuff - like, nothing. Is that so bad? Is it weird? I guess I don't really care.
This blog post is lame - and it's probably because it's the end of March and I'm freezing and tired of the cold weather. So, there.
Someone call the waaaah-mbulance.
Go ahead, I'm not going to do it myself - I'm busy doing nothing.