Most Helpful Guy
It sounds as if he never intended to stay friends. He blames you for the break-up, but keeps a surface politeness. When you said the wrong thing about the new gf, you saw his true feelings. Petty, vindictive, childish.
He's spiteful and mean. He has no good reason not to return the diary. You're well rid of him, even if you do still love him.1THIS IS NOT RELEVANT ANYMORE