SrdjanPav/E+/Getty ImagesThere are a million cards to send and gifts to wrap, a double batch of cookies to make for that school party, and all the while your mom is guilt-tripping you for not bringing your family to their house for the holidays. The end of the year can be stressful mentally, emotionally, and logistically. While we all know we should buy gifts ahead of time instead of waiting for the last minute, present shopping is hardly the only source of holiday stress nagging at moms this time of year. Scary Mommy asked Kati Morton, LMFT, licensed marriage and family therapist and author o...