I can tile?

I pose that title as a question because the answer is questionable. The walls haven't come down yet, so I think I was successful. Maybe, YES, I can tile.There are a few large projects in our home that I have avoided because of FEAR. Plain, good old, I-am-a-big-huge-sissy fear. One of them is the marble that surrounded our tub. It has bothered me for over a year now, since I added the molding to