its all open terrain.
if anyone can be courted, then they deserve to be courted.
Now if there is a significant other in the mix, that simple just gets factored in. screw the, 'oh, thas his woman.'
If there is even a chance of it and you want it, go for it bro.
There is a fine line between getting your face kicked in and flirting
... very very very ... thin line. and all you fat bitch webmistresses. stfu