Plzzzzzzz need help what is the matter with my husband?

i am newly married... a kinda love / arrange marriage... i was engaged first and in a week we got married i know this guy from 7 - 8 moths we were friends then he asked my dad about me that he loves me and wants to get married... he was at my place for 10 days we enjoyed a lot... romantic evenings and all .... we went outing... but after we got married i found some change in him, he said he was shy in front of his parents.. he never sat next to me... when we went out to see some places he never put his hand around me... but he took me wherever i wanted to go, whatever i wanted to eat...no ristrictions for anything..... when we came back to my place he was again so loving and caring.... but after going back he started again.. i am not able to understand whats wrong with him... on phone he is like so loving i feel i'm the luckiest one but when we are at his home... he never talks to me lovingly... he sits in front of the T.V..... i have good in - laws they infact want us to go out and all...... why is this change i find in him.... does he love me as before???? whats exaclty his problem