Maybe. But, in Woody Allen`s words, "whatever works."
I abhor the idea that a relationship is a bank account with carefully detailed pluses and minuses in blue and red ink, and that the balance between the two columns must never exceed zero, unless you pay interest on the debt.
Things are hardly ever equal. There may be all sorts of variation in the dominant-submissive, poly-mono, bi-straight, spectra between a single couple. And even more changes over time. Some people like doing the cooking, others the dishes.
What if you enjoy picking up women and I don`t? And you`re perfectly happy with having only me as a male partner? Isn`t that all that matters?
The above question is not merely rhetorical; I despise picking up women.
It feels tremendously unnatural to me, I grow a tumor and gray hair, I lose sleep and life expectancy over it, even if pussy is being thrown at me.
So, it would be nice if I had a partner, male or female, who enjoyed
doing that for me. The difference between me and your example is that I`d be more than willing to let you (or a girl) roam free with other guys as well, as long as I wasn`t consistently sucking my thumb on chilly nights.