11. “I heard once that only children are less likely to announce where they are going when they leave a room. Right away, I realized I’m like that, but my partner, who grew up with two sisters, tells me where he’s about to go when he moves, even if it’s to the bathroom.”
—u/NcularOrchid
“I never noticed this was something people do! I just get up and leave to go do my thing. It never occurred to me anyone would wonder why I left. I, uh, I’m an only child.”
—u/ellishu
Source: https://www.buzzfeed.com/chelseastewart/signs-of-an-only-child