He is lovely and sweet and has been very friendly and interested seeming in a way that is probably just professional.
He just finished a job (which requires some follow up) and wrote this:
(...) Please don’t hesitate to get in touch at any time and as many times you want if you got questions. We’ll keep in touch
I'm naturally prim and proper. I feel that any overture I could make (like suggesting a coffee???) would be exceptionally awkward and similar to a gross dude who hits on his cocktail waitress.
What to do, what to do?