The 31-year-old supermodel
bravely penned an essay for the April issue of Glamour magazine
, where she opened up about the physical and emotional changes she faced after giving birth to daughter Luna. "Important note: please don't feel like you have to tiptoe around me! It is the most uncomfortable feeling ahhhh only downside to sharing PPD," Teigen tweeted on Monday. "All of a sudden everyone's, 'How are you!' turns to, 'How arrrrrre you??????' Know what I'm saying? No? Yes? Ah."