I just saw DHH post this, http://37signals.com/svn/posts/3658-cabin-fever and it explains a bit. Sometimes motivation can be hard. Especially since you have no "real" coworkers and you're sitting around the house all day. Often times going out and working at a coffee shop can help but it's not always viable. It also doesn't help that I'm in a pretty isolated and mostly tourist area of Florida where there are seemingly no other developers or dev companies and most certainly no co-working spots here.