Btw, it's nicer to flush Plumber asap rather than to turn to avoidant behaviours. Personally, I've always be appreciative when a lady is politely upfront. Women say they don't want to hurt men so they leave guys hanging trying to figure out what's going on...and that's not hurtful? Just do it! He's a big boy...and I'm sure he'll be glad tell you just how big, if he hasn't already lol!
