Responses
That is probably because Dane's backstory entails HUGE spoilers. Whereas Grayson's backstory is not quite as relevant to the overall plot so people feel more comfortable discussing it. I mean, it matters contextually, but his past does not shape or influence later events. I can tell you Dane's backstory though if you're really curious.

As much I love Grayson why do people only focused on Grayson, I have been curious to Dane's backstory and it's hard to find one. Knowing that every comment only talks about Grayson's childhood