I think MS was very striking at the time (and still is), but the scenes seemed more comedic/desperate than sexy.
Nathan stopped being a character long before his death, so I guess Bell may have felt it wasn't much of a sacrifice. Still, it's glaring - I can't think of any other longtime characters Bell hurt that way.
In honor of alphanguy's birthday, and just for other fans who want to see old stuff, I'm going to post some older material on the show's first decade. I don't have a lot but will put some of what I have.
These are from some 1977 Afternoon TV Stars - April, August, December. After this I'm going to post some of the few Brenda Dickson things I have.