Be My __ on February 14

Puzzle 14 of Date Night Pack

Question is: Be My __ on February 14

and the answer is: VALENTINE

Word Meaning:

VALENTINE — An expression of affection, especially romantic affection, usually in the form of greeting card, gift, or message given the object of one's affection, especially on February 14th.

Definition source: Wiktionary (CC BY-SA 4.0)