Help! :'( boyfriend problems D': please help me! WHAT SHOULD I DO? :"(?

OKAY, well im german and my bf is american, he doesnt have any problem with me being german, so the other day was a german holiday and i told him that it was 3 kinds day (he believes in God, jus sayin) and we says all of our german holidays are soooo pointless and unnecessary (which i did say i agreed to him) and jus cuz of that hes totally mad at me!! and i hate it so much cuz thats a stupid reason, i told him "i love you? :(" and he says "suure?" and i really do and then i said "im serious!!" and he nvr said anything! (that was thursday night) and he jus stoped txtin me and this morning was the last msg i sent to him, so like in all i sent him 10 msgs without him sayin anything :"( i want him back sooo much!! i love him!! and i know i should stop txtin him, what should i do!!!!?! ive been cryin for two days straight!!!