A potentially life saving question from a true friend. Hand on heart I could say to him "No, but I do want to be friendly". With my heart in my throat I asked him if he thought I was flirting. Thankfully he said "No".
What followed was a helpful discussion on being friendly to people of the opposite sex. I do want to be friendly to those I spend an hour a week with. But I don't want it to lead to anything else. And with a friend like Craig - I have another safeguard in place.