My wife Nina and I just got married. One of the bridesmaids was her sister, Jenna, who’s always been negative and judgmental. Nina’s sweet and kind, so I assumed Jenna was included just to keep the peace. On the big day, Jenna complained nonstop “It’s too hot.” “My dress is clinging weird.” “My hair looks like I stuck my finger in an outlet.” She rolled her eyes in photos, insulted the other bridesmaids’ makeup, and acted like everything was beneath her. Weeks later, we got the wedding photos—absolutely stunning. We…