Gifting that special girl in your life with lingerie is a win-win. When done properly, she’ll feel sexy and prized in a decadently minimal number, and you get to sit back and take it all in… before taking it all off, of course.

But first comes the stressful part: actually buying the lingerie. I recognize that look of panic in your eyes because I worked as a Victoria’s Secret sales associate for three years. To alleviate your anxiety, here’s a comprehensive guide to corset shopping, boob sizing, and setting the mood this Valentine’s Day.

Teddies vs. corsets: what’s what?

The only thing more overwhelming than navigating the mesh frontier of a lingerie boutique is learning its vocabulary. Let’s start with the basics.

Corsets and bustiers are the bra’s exotic cousins. With cups and adjustable straps, they also have curve-hugging mesh or lace at the waist. Complete the outfit (and earn brownie points) with a garter belt, matching thong, and thigh-highs.

Babydolls, slips, and nighties are like miniature dresses. Such options provide your lady with full midsection coverage, and you with sizing wiggle room since they don’t fit skin-tight. Flowy hemlines, decorative necklines, and racy combos of silk and lace trim prove that sweet can be sexy.

Teddies and bodysuits resemble one-piece swimwear for the daring. They feature cutouts, see-through bits, and even themes for role-play (if French maids get you going) — but tread lightly here if she’s a lingerie virgin.

Consider her personal style