I've been dating a man for almost 4 months. We have seemingly been crazy for each other (while not moving that quickly) and have a mutual understanding that we are moving into a serious LTR.
My birthday is in less than two weeks. He asked a few weeks ago what my birthday preference is and I said acknowledgement and to be taken out for dinner.
It's been crickets since then, until yesterday I finally pointed out that he hasn't asked if/when I am free. He said thanks for reminding him, he forgot 
Interested in views on this