Ahh question...

Facts:
1. My WAH told me the truth about his affair 2 months after it started (it happened while he was o/seas, so none of it happened under 'our roof').

2. As soon as he fessed up about the A (that was Day 2 of returning from o/seas) he and I separated immediately.

3. He has given me little reason to think that we are getting back together, espically thesedays.

DESPITE THE FACT THAT I HAVE NO PROOF THE A HAS FINISHED OR IS STILL GOING, a Q bugging me is, can I call his A and "affair"?

Are affairs only an affair when they are lying to you about it and living under the same roof as you?