Countless nights, and some occational afternoons and mornings. Close the garage door - what the neighbors don't see won't drive 'em nuts. Be glad you're in Maryland, here in Wis. I sit in mine even when it's on jackstands when it's -20F and I'm almost 51!
It takes a special type of lunatic to own one of these puppies - ask anyone here! Welcome to the brotherhood fellow lunatic.
Don