Surprise!I heard from Nue that people get really surprised if you do it!!...is that what you did?Just to make sure, but...Yep! I heard that Valentine's Day is the day when you give a jack-in-a-box to men!! びっくり箱 usually means jack-in-a-box, but it can also mean a surprise box.Sanae, Sanae! Happy Valentines!!Bang!Oh Kogasa. You know about Valentines?Lift it and drop it.That was unexpected.