Apne mann se sare doubt nikal do kyunki bete ling ka size bada karnay ka koi bhi tarika mojjud nahi hai. Ling ke size ki sahi jaankari yaha se hasil karo aap : http://lovematters.in/en/resource/penis-shapes-and-sizes
Aur Please size par mat jao, apna andaaz achcha karo- unke saath timing bitho theek hai.All the best.
Apne mann se sare doubt nikal