28 minus 20 equals 12?

my baby sister isn't much of a baby anymore. as a matter of fact she's growing up quite quickly. last night we had a pretty confusing conversation about her actual age. we have always been 20 years apart....things like that just don't change, but in my head i was convinced that she was in her tweens. but the math just wasn't adding up. i know that i am not in my 30's (yet). as we were cruising the lake on the jet ski i kept counting....28 minus 20 equals 8....but you are at least 12...huh? she finally settled it for me....she's really only 8. i guess i get it, my entire childhood everyone always thought that i was older too.

back to the jet ski....she was driving. my sister, my baby sister is absolutely fearless compared to my grandma jet ski driving. she goes fast....way faster than i would ever dare. she knows all the fun maneuvers and loves nothing more that jumping the wakes. i am not sure which she gets a bigger kick out of though, the rush of the ride or the fact that her oldest sister is hanging on for dear life and squealing with joy.