Valentine’s Day is for lovers — but you don’t need a romantic soulmate to celebrate. Experts say the holiday is a chance to consider just how rich, diverse and beneficial every form of love is.

A relationship expert explains how to write a love letter — including how to start a love letter — and why you should write one this Valentine's Day.

Valentine’s Day is a notoriously difficult holiday for gift-giving. The equation for the perfect gift is endlessly variable — and changes along with every shift in relationship status. We’ve picked a gift for every stage of a relationship,