How to Do It is Slate’s sex advice column. Have a question? Send it to Jessica and Rich here. It’s anonymous! Dear How to Do It, I need some guidance with some concerns that have arisen in my ...

A reader is eager to patch things over with her best friend and her boyfriend after they had a tryst behind her back. But should she be? By Philip Galanes I recently discovered that my (male) partner, ...

Dear Annie: I’m in a bind with my best friend, “Serena.” Her boyfriend, “Kyle,” has been flirting with me for months, and last weekend, he cornered me at a party and confessed he has feelings for me.

Q: I’ve been with my boyfriend for 13 years, since I was 17. We’ve been through more than you could imagine together — so many ups and downs. We still have trouble getting along sometimes with all ...