I've only just found you guys, and haven't known the Avett Brothers stuff for long either, so Hello!
I've been trying to play I and Love and You on the piano but didn't do very well. So I picked up my guitar instead. Can't say that was much better but here's my attempt...
http://www.youtube.com/watch?v=jq4PtzFYD7E
Thanks to this board I've just found the Avett Brothers tabs site... that's the weekend stitched up then! Thank you katy