That's cuz most of us sit around and don't do anything all day at work...some of us don't even work!
This is a very close knitt group of guys, very funny, and serious, some asses at time, but TONS of great ideas and answers for things..
Just use the search function as often as possible ;-)
there's a small list of things not to do to your Mark and everything will be fine
1) no hammers or saws-alls to the valve covers, no trailer hitches for towing trucks over 1000 miles, no green tire slime in air bags, ect ect