Scare might be strong. Sternly inform him that there will not be date number two? It wasn't terrible but there might've been too much of a come on at the end.
Ah, so you would turn the date with a felonious suitor into work? I'm not sure that would work. She's also the person who set me up with Simon, you remember the fungus guy? The one who literally wanted to go out and look for mushrooms on our first date.