Im so sorry to hear about this.
The problem is, does he know that u r disappointed? Maybe he doesnt
know anything and doesnt guess that u would be disappointed if he
doesntt do anything on v. day.
So, if there is a way to let him know that u value special days,
like birthdays, anniversaries, v.day, etc, I guess he would make
the effort. Coz he may have different mindset than urs? And maybe
he doesn't even realize this difference?