It seems that he is trying to live your education life
I would say:
"dude, it's fine. I see how you put effort in this but I need to put in my own effort"
"it's better if I work on this majorly by myself"
"we have our own ways of working and I need you to let me handle it myself"
something along these lines will do
I would say:
"dude, it's fine. I see how you put effort in this but I need to put in my own effort"
"it's better if I work on this majorly by myself"
"we have our own ways of working and I need you to let me handle it myself"
something along these lines will do