well, that's easy...a relationship is love, romance, friendship, and other stuff.....but a FORBIDDEN relationship is when someone forbids you.....you know....break up..
I'd start by asking, do you mean 'casual' relationship? if so then most people consider a causual relationship to be a bit of fun, don't get too caught up in the other. (don't get too attached!) Some...
a relationship is where you dedicate yourselves to one another in a open relationship you two and kinda together but you're allowed to see other people most people call open relationships "linking"