Should Valentine's Day be canceled?

I heard a young lady comment today I hate Valentine’s day. It is a day for nothing but disappointment. I’ve never been a fan of Valentine’s Day…not even when I had a partner to share it with, so this got me thinking. We’ve stopped having several different holidays in my lifetime & now I’m wondering why we need Valentine’s Day. Is Valentine’s Day one of those days that is no longer relevant to anyone but those selling candy & sexy underwear & would anyone really miss it? If a couple is truly together as one, why do they need Valentine’s Day to express their love? Can they not buy that precious gift on their own on a day that they determine to be important? Is there any reason we still need Valentine’s Day?