spouse forgetting bday?

my bday passed and my husband didnt remember. but i find it weird that when we were still dating, he remembers it and it was really important to him. after i married him, its not important anymore. he even said so himself that bdays and age isnt important to him. im 6yrs younger than him and he thinks im 4yrs younger than him. not even our anniversary is important. he never wants to do anything w me anymore. id find something for us both to do and get rejected. ive been replaced by his phone.