For sure, I do not believe that there is anyone who does not envy. I also have expreience envying other's achievement or talents, but that did not change anything but frustrate me. At present I would rather spend more time on how to improve my life and my career or my family. Those things are much more important than how other's achievement is. 

Yeah I think I copy from them but I think that is not me so I dont envy them anymore

dont study from them and dont do what you usually do. figure out what you find unique about yourself and up it.

then, people will envy you too.

I just don't compare myself with anyone. Even if you try to imitate them, probably you won't succeed like them.

obviously, i compare my self to other people and feel envy sometimes.

what i do is i use that envy in a positive way to boost my efforts and make my pace faster towards my goal.

i thin its natural and necessary to compare ourselves to others so that we can keep ourselves on the right track. in real life, 'i am unique and i am special and i dont need to do anything' is completely wrong. nobody is special, everybody needs to go through struggle.