Welcome- I read your other posts and I would suggest that you start a blog here! There is a blog section for that! Btw- We call his girlfriend a cowgirl. Have you heard the term yet? How long have they been seeing each other? Sounds like you are handling it well. Giving him the space to decide is probably best. Keep us posted!
The key to life is in being fully engaged and peacefully detached simultaneously and authentically in each moment.