Because he is manipulative, so be careful. He could try turning your son against you little by little.
Going back to the 'school sitch' ... you could refuse to sign for his old school too. So, he is being a fool to come out and say that.
Just a thought.
Me:57 H:52 M:28 Got another lawyer last year and filed. D35,S/D twins28,D22 EA4/04 End? Who knows? "Life is like a mirror. Smile at it and it smiles back at you." — Peace Pilgrim