Promblems wid guys and frnds?

ok... so i like dis guy hu has a gf. yesterday he dumped her n asked me out. i sed yes... 2day in da mornign in skl, her frnds startin callin me all sorts of things... now she says shes ok wid it if i date him but not interact wid her until it cools down... then well be fnds agen. so the qusestin is shud i say yes or no!??