For Christ's Sakes woman, I've always been "e-in love with you". How could you not have noticed? As per how it happened, I have no idea, I just think you're fucking gorgeous and I love all our silly banter. What more can you ask for? dork...
I can't quite see the difference but dollars to donuts it's because those plugs have a pattern in them that creates an optical illusion that makes them look smaller than they are.
I know this cuz I used to work in a science museum and we did a ton of work with optical illusions.
See, I never even did the 9/16ths. It was a mislabeled 1/2" straight to 5/8ths. I hadn't realized it at the time, so when the new plugs didn't fit, I just wore some spirals in simultaneously with my plugs until I could finally pop the 5/8ths plugs in. Hurt like a bitch when I was first trying, man. Seriously =/