I'm possibly being pedantic here, but it looks like the likelihood that this proposal will become a beta site is high, so I've been thinking about how the title is going to look as a subdomain:
Seems a little lengthy to me. Maybe "Social Skills" is a better name?
I have some other arguments to be made for why "Social Skills" would be a better name, but I'd like to give someone else an opportunity to provide a good argument for or against as an answer. If that doesn't happen, I'll eventually do so myself.
Proposal: Interpersonal Skills