Why did the couple bring a ladder on their Valentine's Day date?

Because they wanted to take their relationship to new heights

What did the grape say when it got invited to a Valentine's Day party?

I'm crushed that I have to decline, but I'd love to wine and dine with you another time

Are you a Valentine's Day rose?

Because you're a little prickly, but I'm still stuck on you

Why did the chocolate chip cookie propose on Valentine's Day?

Because it finally found its chipmate!