I'm one of those 'older guys'. In any other context - ANY - I'd see red and bad things would result. But, if it's truly in the buildup of serious sex, you can say any goddamned thing that comes into your mind - it will only make it more intense. Why do I think this is so? Sorry you asked...(you can stop reading now if you want -- you got the point already)
There's this concept of emotional energy and how it's transferred. Basically, if you are experiencing a specific heightened emotion, then an event (something said or happening you see) occurring at that time is often absorbed into that emotion, thereby adding to or intensifying that emotion. You've probably had this happen to you, as you were crying (sadness) or laughing your ass off and someone does or said something that made you cry harder or continue laughing even more, though that act would normally make you feel very differently. Well, same with this sex thing.
Ever hear someone say: if you want something from a man that he has been saying "no" to, as he's about to nutt in your pussy, say "you gon' give it to me now?" and he'll say "yes!" to anything? Well, even though that's an over simplification, that's the basic idea. So, for me, I'm all about maximizing the orgasm, killing as many brain cells in the process as possible. We all have dark, hidden fantasies and for many of us here, that includes interracial sex. Notice how great it is afteryou've let that out? Some of the most forbidden things are down there inside that we'd NEVER commit or admit to and that includes historical slave myths, secret desires, dominance and submission, etc., etc. So if a women says to me she wants that n*dick while she's giving up her pussy like there's no tomorrow, I'm gonna plow that pussy harder and deeper. If she were to say: "oh please, would you apply your African American penis somewhat more intensely, if that's ok?" I'd go limp as spaghetti and start snoring. She wants the dominance of the black bull (the n* super masculine menial complex) and I know I have feelings wanting that wonderful white pussy. Before or after? I'm the most respectful person you'd ever meet and I expect the same, and that means being socially sensitive and compliant with what's acceptable and what's not.
But if it offends you and you don't like it, then so be it. It's whatever turns you on, not what turns someone else on.