Well, you two just joined! It could be months before he gets any bites. Be patient. If he takes a moment every week or so to make a little change here and there in his profile (change a sentence, add a thing he likes, blabla), that will put hm on other people's front page each time. Also have him put double brackets around certain keywords, like polyamorous so that he comes up in keyword searches.
The world opens up... when you do.
Oh, oh, can't you see? Love is the drug for me. ~Bryan Ferry
"Love is that condition in which another person's happiness is essential to your own." ~Robert Heinlein