When we meet a new couple, in person or online, a big question is whether my wife is bisexual. If I were to ask her, she would say no. But for lifestyle purposes, she will play bi. It doesn’t bother her, but it is not her inclination or preference and she could live without it. 
 

But here is my gripe. My wife will and has performed oral on other women. I never remember anyone reciprocating! The odd thing is that my wife has a funny secret. She is devastatingly effective at cunnilingus. I asked her what her secret is, I wish that I were as effective. She says you have to put the work into it. I have seen her results and it is noteworthy. But she is not inclined to perform oral in that literally no one reciprocates. Maybe we have met a lot of half hearted bi women.

From our experience those who have said they are bi have been bi.

The ones we have met have been