How to Do It is Slate’s sex advice column. Have a question? Send it to Jessica and Rich here. It’s anonymous!

I recently realized that my sister-in-law has been kissing my boyfriend on the mouth every time she greets him. We all live in the same town and get together for dinners and events often.

DEAR ABBY: I recently realized that my sister-in-law has been kissing my boyfriend on the mouth every time she greets him. We all live in the same town and get together for dinners and events often.

I recently realized that my sister-in-law has been kissing my boyfriend on the mouth every time she greets him. We all live in the same town and get together for dinners and events often.

DEAR ABBY: I recently realized that my sister-in-law has been kissing my boyfriend on the mouth every time she greets him. We all live in the same town and get together for dinners and events often.

DEAR ABBY: I recently realized that my sister-in-law has been kissing my boyfriend on the mouth every time she greets him. We all live in the same town and get together for dinners and events often.

Dear Abby: I recently realized that my sister-in-law has been kissing my boyfriend on the mouth every time she greets him. We all live in the same town and get together for dinners and events often.

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A woman wrote to Dear Abby after noticing that her sister-in-law had been kissing her boyfriend on the lips when they greeted each other. ‘He doesn’t drink, smoke, party or gamble’: My ...