so long, farewell

Dear summer,
The time has come again--it comes every year. The time you decide to leave us--quietly slipping out the door. 
I usually get mad at you--angry that you could leave me after all we've been through. But I decided, rather than kicking and screaming in an end-of-summer tantrum, I'd just say thank you.
Thank you for the warm nights where we ate ice cream in the grass until the sun went