A very personal problem

[X-ray]

I must say, I am of the other opinion: I like screwing the crew. I find that there is less bullsh*t and preening and wooing going on because you already know the person.
The only catch is that there has to be good damage control if it doesn't work out.
But in your case, you aren't available. It's a very definite no go.
You want the boss, that's fine. But you must ditch the current partner first.

[X-ray]

So to summarise:

1) You have a boyfriend who you will not under any circumstances give up.
2) You fancy a straight man, who probably doesn't fancy you at all (by default).
3) This man is your boss, at your place of work.

My good man, if ever there was a set of circumstances that lent themselves to a non-starting, calamitous and impossible relationship, these are them.

You know the answer. You just gotta accept it and move on.