So glad that you can have a sense of humor about this whole thing, IAN -- when I first came here, I put the fact that I am married in the first line of my profile for that very reason. I've been here for many years and have never seen an issue come up so far. I'm married first and foremost; and am not cruizing the web for someone. I also do my chatting on the open forum (like 99%), so no-one will get concerned (i.e. my DH). I have assured him of this, and he is not concerned about it at all.
I like the fact that both sexes can come here in a safe and caring community to talk about this subject. It's true that none of us want to bore our friends and families (esp our spouses) with endless details of our WL journies, although most of my friends don't mind talking about it.
Plus, if your wife is really concerned, she could just come in to take a quick look and see for herself how harmless this site really is ...
AND YES, the girl guides are out here with their cookies too. I really wanted to support them when I saw them selling cookies on the street yesterday, but I decided not to for the same reason. In retrospect, I guess that I could have just bought some plain ones for DH as he's not fussy what kind he eats and I am ...