I'm the same way. I remember as a kid, me, mom, dad and sis would go out to a place like Sizzler. The bill would usually be around $50 or so from what I remember (this was late 1980s/early 1990s) and if a $5 bill was left it was noteworthy. I've tried to go out of my way to tip at least 20 percent since then, and…