this little girl

Should I back off? you ask.
I don't know where I stand
or where I ever stood.
You make her happy. Isn't that what matters?
But I can't help feel like I'm standing on the sidelines and there are those twinges of but I love her mixed with could I handle it and would she even. Sure it's all fine and well for her to pay me compliments and kiss me and hold me so tight I never want her to let go but is it as hollow as it occasionally feels?
Social butterflies are hard to capture.