Hi, I'm dense sometimes, but I can't quite figure out which category you meant by "this", the category that does worry or the category that doesn't.
To be honest, before posting yesterday, I wasn't worried. I had basically gotten what I had wanted by just going out and having fun drinking with a friend.
I didn't start to worry until people started telling me I should worry. So now I'm not sure if I should be worried or not :-/
While I will try to seek counseling and hopefully convince her to join me eventually, I don't necessarily agree that a sexually liberal marriage is indicative of a serious problem. First, I wouldn't call them relationships, it's basically based purely on sex so it's more akin to a fling. And it's not very frequent, maybe 1-3 times a year.
Further, we've fully discussed it to a degree where we're both comfortable with it. For her it's just the excitement you can sometimes experience with sex with a new person, and I'm fine with her enjoying her sexuality in that way. I actually find the fact that she is such a sexual person even more arousing to me.
As for me, she is a bit more jealous and is a bit more reluctant to allow me to do the same with another woman, but she has said that she understands it wouldn't be fair to do that and forbid me to. She said if I had an opportunity to do so, tell her about it, and she will try and see how she feels about it. However, that's not been an issue because I've had no opportunities and haven't really sought them out.