parenting and self

I watch my child run around the house, just to run. I see her spin, dance and literally bounce off the walls. She has more energy and spirit than I ever had. Or did I once posses this life force too? Her ability to bounce from wild happiness to absolute desperate sadness is frightening, and I pray it isn't some underlying template for her future. 

She should have the brightest, happiest, most carefree (yet stable) life imaginable.  She can pursue and achieve her dreams. I want so much for her, that the idea of figuring out a way of providing her the map to get there is unnerving. I am paralysed by the thought of providing her sustainable and renewable happiness. I worry I won't be able to do it. 

Do all parents feel this way? Did mine? My mom is gone now, but I think that her life was centered on making her children happy, to a fault. Her life suffered from it. Am I selfish for wanting to be happy also? Because I am a parent, am I supposed to give up my own joy? 

My joy has become making my daughter happy. My dream has become for her to  achieve whatever she wants in life. Also, though, I do not want to become my mom. As much as I continue to love her, I do not want to lose a sense of myself. 

How I define myself will inevitably include my daughter, but will not only be about her.