When was the last time you witnessed a child having a full-blown meltdown in public; complete with head-pounding, ear-piercing, chest rattling shrieking, kicking, and crying their demands? I used to judge. I used to think that mother or father a terrible parent. Until I had children—and now grandchildren. Can I just say, Thank the Lord for Facebook and Instagram! These completely unrealistic snapshots of our lives at least balance …