what if i don’t redeem my valentines in farmville,can i open them?

what if i don’t redeem my valentines that are in my box in farmville,do I get to open them like we did with the xmas gifts?If so, do you know when

You do not get to open them, if you collect a certain amount you can redeem them for prizes. For example, you can trade 10 in for a pink sheep.