As a married woman, yes, I have some male friends. But I learned long ago, when I was single, that often one half of a "just friends" R wants more. Plus, with my experience with my H's affair and all of you here, I know how easily "friends" can turn into something else. So I keep very strict rules about my friends.
- My H ALWAYS knows about any contact, email or otherwise. - My H is ALWAYS invited to join us if he's available - I wouldn't have contact with anyone that made my H uncomfortable
The grand total of my "male friends"? - one guy I have known since I was 15, who is married and lives in another state. On the rare occasions (maybe once a year) that his work brings us to our town, have had dinner or lunch with him (sometimes with H, sometimes without, depending on H's availability).
- the male half of a couple I met about 30 years ago. We see both when they come to our town, but more often see him as he is in sales and travels here. He will see us both, or H alone, or me alone for lunch - whomever's available.
There really isn't anybody else(male) I don't socialize with as a couple. And bear in mind I have NEVER cheated on my H.
As for your list, how about: - no contact with either OM - complete transparency - email accounts, cell phone, etc. - date for a year without living together - STD tests