Mark has a few "pet peeves" that don't bother me at all. A couple months ago he saw I had about $7 in library fines. Our library lets you check out books until you hit $10 or so in fines. I usually would let it ride and pay it off all at once. But Mark said, "You have to pay your fines as you get them." So now I pay all my fines when I accrue them. The library needs to thank Mark.
While we were in Washington, he saw I had about 3,000 unread emails in my Google mail box. I often times ignore advertisement email, and just let it sit unread. This really irritated him. So, for Mark, here is my Google mail now: