It is interesting to read through this thread. And I do like a bump of older threads that have juicy topics - it is good for us newbies and also veterans.
I enjoy the openness of people who identify within bisexuality and/or pansexuality. Whether it is just a curiosity or something they are experienced with. And I think it can be really sensual when a guy can enjoy others regardless of their gender. It takes a lot of bravery in this society to be a man with a more fluid sexuality, because it isn't something that is celebrated in mainstream life. In fact it is often used against men as a way of questioning their identity as a man. So I'm never surprised about men being more quiet about it than women, because of how we are conditioned and socialised about this topic.
I find it attractive if someone is comfortable with all different genitals. By that I mean they enjoy both in the moment of passion.
&.. knowing your way around a penis, whether it is real or a strap on, can all be fun.
We're all on a spectrum, guys might be 100% straight or 100% gay, or somewhere in the middle, or 80% straight and 20% gay. Or change like the seasons. It's all good as long as they are true to themselves.
I myself am pansexual, so for me it really is about the chemistry, connection, & more. Not all people who identify as men have dicks, and not all people who identify as women have pussies. And some people don't fit into either genders. So it isn't always about what is down below, it is about that person & the type of energies they click with.
It is far more rare to see openly bi guys than openly bi women, so it is important to open up about it and also show love & acceptance towards it.