my baby is 2yra old now ..he is talking much and respond his name rare when he wish.... throwing tantrums understand if i said no for things....but can't talk clear....when want something he came and hold my hand and take me their what he wants... saying bye bye...one two...saying mama papa but he don't even know meaning of word mama or papa.... I m stressed how I can help him...to talk and respond.....he started biting pinching a lot when I scolded him he start laughing and repeatedly doing again...when I started tv then he quietly sit and watch...plz suggest me something best o can do