I've been consistently freaked out by how much work I'm d...

I've been consistently freaked out by how much work I'm doing on the days when I'm stuck in the library with son #2's laptop. I sit there in a study carrel with nothing to look at but the screen from before 8 a.m. till after 12:20 p.m.. There's no way to check e-mail, no way to go off on a net-surfing tangent. No dogs, no cats. I can't get up and wander around or even go get a drink of water unless I pack everything up and carry it with me. So I sit and work. And it turns out you can wrap you...