Do You Want to Start a Tab?

Story One - Guest comes into a cocktail bar with a lot of attitude treat the bartender like shit.  Bartender says she can't come back but 2 weeks later she does.
Story Two - A couple goes to a bar for dinner where the husband is a regular. The new-ish female bartender is only paying attention to the husband.  The wife pays the bill $60 with a $30 tip and still ignored by the bartender.