Each time the stench wafted up my nose in an intermittent wave, I furtively sniffed around me. It had to be me. I was the only one sitting on that end of the couch. Once, twice . . . my nose quickly scanned each armpit as I reached up into a yawn or pretended to pull my hair back.     My alarm didn’t go off, so arriving at my cousin’s house late for brunch was a given. There was no time to shower, pick out clothes, or put makeup on. I hurriedly scrubbed a toothbrush around in my mouth, put clothes on from the night before, and combed my hair…