Dear Claire,
Today you are 10 months old. You are getting so big, and wanting to be so independent, you're not going to be my little baby for much longer. You would rather be crawling around, getting into everything and forcing me to re-baby-proof everything.
We are getting ready to go on your first airplane ride tomorrow. Please please please behave. I've been that mom with the screaming baby on an airplane before, and I'd really like not to repeat that experience.