It's Complicated

I'm thinking of buying you a shirt that says  "I'm single but my girlfriend isn't"
Because every now and then you get a little restless and say "maybe we should end it"
But in the space between the make-ups you're out doing your thing
And only come back when the light I always leave on for you starts to dim
Recharge the battery in my back with "I've been loving you too long to stop now"
Then against my better judgement I'm back giving you everything just short of a vow
Still the love I have for you grows deeper every day
I just don't want to lose who I am for loving you that way
And I've loved you since the days when summer meant we got to be lazy
Since things like "Do you wanna be my girlfriend, circle yes, no or maybe"
Over ten years and my heart still beats for you
But do you appreciate all the things you put me through?
Everything has always been your way or the highway
So I got used to living in a world where things are never my way
How many women would still love a man they met as a boy?
And how do I know for sure you just don't think I'm your toy?
Your good girl, who loves you and would never give it up
How do I know if you're giving your all, or just what you think is enough?
Big girls don't cry, but grown men they certainly lie
And our response by being a lady means we should hold it all inside
Sometimes I convince myself that I could really get up and go
As a matter of fact I think it's the only way I'm ever going to grow
But you've been my best friend and our history is deep
I just wish I really knew if you were playing for keeps.