Relationships these days is tied to sexual satisfaction and chase of money. When there is money made available, then the sexual misuse is free.
I will say, maintaining the friendship for the moment is okay, but, if the right actions are not taken now, someone else might do that which you would have. Taking the first step, by asking, makes you the man, but with you being the man, there are lots of responsibilities attached to it. Having something tangible at hand is a step ahead, and having a skill or profession is very needful tool for a better future for both of you.