Gosh, cuddles, I hate to say this, but I am getting the impression she's keeping you around as the long suffering "nice guy" who offers security and a safe home base, while she goes out making out with and banging the forbidden bad boys.
2 drunken escapes (and she doesn't regret them)?
Yes, cowgirl/boy is a poly term. We have a glossary here, you might want to check it out.
Love withers under constraint; its very essence is liberty. It is compatible neither with envy, jealousy or fear. It is there most pure, perfect and unlimited when its votaries live in confidence, equality and unreserve. -- Shelley
Mags, F, 60, poly-dating, loving and living with
miss pixi, F, 38
Punk, 42, M (dating since Oct 2015)
and a few more casual relationships