Because... are you kidding me with this??
If you're a writer in or around Boston, you should be involved with Grub Street. If you're a writer somewhere else, find out if there's a writing center nearby! Writing is solitary work - having a community of writers can make a huge difference.
You guys. Do you know about Scrivener? It is life-changing. Game-altering. Seriously - you will never write in Word again.
Couch to 5k Program
This was the only thing I tried that actually got me up and running. If you're anything like me, you spend way too much time hunched in front of a computer. I'm not going to medal in the Olympics anytime soon, but if you want to get out and get moving - it works.
Legal Aid organizations provide free legal help to people who can't otherwise afford it. They help with civil, rather than criminal, issues - like if you're fighting for custody of your kids, or need to take your landlord to court because they turned off your water, or need help getting unemployment.
If you're looking to do some good in the world, you could do worse than supporting your local Legal Aid organization. (You can find it here, if you're interested.)