Roses are red, violets are blue...stop us if you’ve heard this one before. As much as we adore love letters and whispered sweet nothings, we’d argue that nothing conveys romance quite like fragrance. (Plus, a bottle of perfume will last you much longer than a box of chocolates.)  Ahead, we’ve curated the ultimate V-Day gift guide for everyone—from the hard-to-please to those on the hunt for a new signature scent, including even the most self-confessed scent snobs.