I love him dose he love me?

ok so me and my bf have been together for 5 months we live two hours apart we would spend on about 48-55 hours a week together..... on sunday he took his fone into the shower with him he told me it was for music which he has neva done b4 today i was on his face book i thought i would have a look at his private mail he had sent one to a chick last night sending her xoxo and :) ..... and today he is acting weird with me over texts wat goin on i love him and he told me al weekend he loves me wats goin on im so confused i love him i dont wanna loose him wats goin on