My Sister Kissed My Husband as a “Joke”—Then Her Own Husband Made Them Both Regret It

Part 1: The Kiss Everyone Saw
My sister Rachel had treated almost everything between us like a competition since childhood. If I brought home a drawing, joined a club, or bought something new, she immediately wanted to compare, imitate, or prove she could do better, so eventually I learned to keep parts of my life to myself.