Lovely music video

I promised myself, that on getting home from Sweden, I would not use the word "lovely." One of my new Swedish friends, Bjorn, who I've mentioned before, studied in England. He therefore has an English accent. He therefore uses the word lovely. I tried to explain to Bjorn that lovely in American English is, well, lovely, but also a tad, um, gay. Not that there's anything wrong with that. Some of my best friends are gay. All kidding aside, how did lovely become such a word non grata in male American English?

Here's the lovely video, posted first by Andrew Sullivan.