Am I the only one that doesn't see these faint lines?

Ash • Married 8.2.2014. 1st Boy 11.24.16. 2nd Boy 8.27.18
I'm sorry but some of them I don't see the line but I'm not gonna be a downer, you know? But I'm wondering what people are looking at when they are congratulating and I'm just like Good Lord I see one line!