Cute things that couples can do for valentine's:

Roast Marshmallows by the sea.
Build a small bbq at the beach and roast the marshmallows. Savour the gooey sweetness and feed each other while the waves crash in gently.

Play dress-up
GO on a window-shopping spree and dress each other up. pick out clothes and accessories you wan your baby to wear and take pictures.

paint together
get a drawing pad and some paint and pain a picture of each other.lol

Go gift-hunting
Set a budget and time limit. go to a mall but shop seperately for each other's gift.

Bake the sweets
Look up for a recipe and go to shop for the ingredients and spend the afternoon baking heart shaped cookies.

:D how does it sound?