A look alike

You call me a copy,

Say I should act more like her,

I tell you that is not possible,

I know were the same person,

But I'm so different,

I'm my own person,

I'm not cold like her,

No I'm caring,

I do not care what someone is,

It only matters if they have a good heart,

When you compare me to her it hurts,

I know I'm not the best,

But I try I really do,

How can I defend myself?

When I don't know how,

The only thing that eased this pain,

Is knowing that you'll protect me,

And the fact that so many care.