I am not an expert, but I read that neutering does not take away the
desire -- only the ability especially in male cats. It sounds like s
frustrated kitty. Keeping him away from her seems to be the best
idea.

I think it takes away some of the desire, which is why they don't want to
roam anymore. From what I've seen and heard it doesn't take away everything
though =) From what I can tell, he isn't trying to hump her like before (at
least, not all the time). The actions are usually quite different.

I can't keep them isolated for the next 14 years though.

Jen.