My son and my best friend’s son had the exact same rare birthmark – I thought my husband had betrayed me, but the truth turned out to be far worse.

the shape of their faces started lining up in photos. Same dark lashes. Same little stubborn chin. Same serious expression when they were thinking.

And strangers noticed.

At a park, one woman asked if they were cousins. At the grocery store, a cashier smiled and said, “Brothers?”

At Liam’s school, another mom looked between them and said, “Wow, they really continue reading …