I can tolerate other holidays... but valentine? Never! And I have a reason to do so. If there is a Mr. Scrooge of valentine, I could fit the role.
But it doesn't mean I would frown against others celebrating this mushiest occasion of the year, nor would I "humbag" back at those who would attempt to greet me. I've been there, I understand.
It's just it is a different day for me now, and in the years to come.
I don't do valentines... and never will.