I have heard that comedy is surprisingly systematic and trainable, i.e. comedians spend large amounts of time honing material before presenting it. They are not instantly or naturally funny, it takes work. As someone who is terminally unfunny and asocial I did always wonder if there was a parallel to social situations. Can one train themselves to be charismatic and flirty? (And no, "just be yourself" or "learn to like people" doesn't count.)