Lyric discussion by Mistar_Glass 

Cover art for Riches and Wonders lyrics by Mountain Goats, The

A wonderfully terrible song. Only the last two lines of each verse even clarify how depressing it is. It's about the narrorator, who loves the person he's speaking to, but can never seem to get comfortable with anybody. Hence the "and I want to go home, but I am home." I'm guessing they're married, and he's homesick of course. Homesick of what his life used to be, but he certainly couldn't give up this person he loves with all his heart.