I forgot my husband's birthday once.

I knew it was coming, and thought about what to do for it, but that week at work was a big prep for a partner meeting and I was stressed and cross-eyed tired all week.

Then one evening that week I came home late from work and I saw that Lee got a couple of birthday cards in the mail, one from his parents and one from his sister, and I thought "oh how nice Lee got some ... Birthday Cards !!!!" Seriously, it completely slipped my mind until that very moment.

So it can happen.

Lee thought it was a hoot the way I reacted - I completely freaked and practically burst into tears over forgetting - so in the end it was different than your situation. But I'm just saying, under duress anyone can let a birthday slip from their minds.

Just my 2 cents - I think you assumed a lot. Maybe some guys would have made a big production number over it, but maybe your guy isn't that type. I don't see that as a sure sign that he doesn't love you and is not committed to the relationship. OTOH, the way you reacted probably speaks volumes to him, and possibly not in a good way.

Sorry, in my experience the male species is not particularly good at mind reading. It's like that Gary Larson cartoon What humans say / What dogs hear ("blah blah Ginger").

He hears: "blah blah blah blah I don't care blah blah blah "
You think: "Oh surely he will have had something wonderful planned since I did something wonderful for him 2 years ago."
He thinks: "Oh OK if it doesn't matter so much to her maybe we can do something this weekend when I'm not so busy" - he might not have even articulated this thought, just a subconcious "we can do it later".