Analyzing Harley a little
I like to think that it's very difficult for him to see it or admit that he's in love, I think he thinks that kind of feeling is a big bag for someone to deserve it
He sees people more as his property, he has a very big ego and he thinks that the focus of that person should be totally on him, because otherwise he breaks his beloved glass wall
Of course, if that person is lucky enough to fall into Harley's sights, even if he doesn't admit his love in the traditional way, deep down he'll want to catch his attention and seek his affection, but in the most professional way possible where he can't show weakness. He's a complex man......