<s>[INST] Hey doctor my name aamir hussain ,n my problem is my panis size is very small aprox 2 inch when erent then 4 3 inches ,soplz give any solution how to increase my panis size ,n one think my prblm is night fall how to stop night fall plzzzzz tell me solution on my email id , [/INST] Thanks for asking in Chat Doctor forum In short: Stop thinking unnecessarilyExplanation: Night fall is not a disease- If you donor masturbate/have sex/ejaculate by any means then your body will try to replace old sperm with new. So, you have ejaculation with slight excitation and also during sleep.  Now about your penis size, size does not matter until you are having good erection. And it is not possible to increase or decrease the size of penis from any system of medicine. So, stop thinking like this and visit a doctor if you have any doubt further. </s>