I am surrounded by self-limiting peers.
"Nah, i very stupid and lazy one larh."
Is the respond i get after questioning them: why they did not bother to do better, do more, pick up new hobbies or activities.

I always believed that anyone can be better at examinations by spending more time on reading, practising, and revising.
I grew up in a average Mandarin speaking Chinese family who do not enjoy luxuries of attending elite schools, tuitions, nor piano...