Does my boyfriend still like his ex?!?!?!?

so me and my boyfriend andrew have been going out since march and we r like littlery inseparable an we both really love each other. but yesterday he told me he was going outside to hang out with his ex madison at first i was suspicious but then he was like i dnt like her ok but then next day wen we talked he was all like o she kept calling it a date an she was putting her head on my shoulder an she gave me a kiss on the check! i was sooo mad we haven't even kissed yet and he was telling me bout how wen they went out they would go 2 each others House's (since there neighbor's) and they would go in each others room. i was so sad i felt like crying. but then today i asked what does she look like and he said hot then i was like really describe her an he said hot again and all these things about her. part of me wanted 2 cry an the other wanted to punch him. i mean like what do i do would if he starts 2 like her again and dumps me they live near each other and they have already kissed and he sed were kinda the same hotness and i am sooo sad cus of this wat do i do!?!?!