This is know as severe premature ejaculation there are many reason for this
1) Anexity/ stress or tention
2)Are u on any medication any infection or trauma
3) Do ur blood test for
testosterone free and total to know ur exact status
4) we can treat it with ayurvedic medicine to improve ur erection so that u can have sex without any side effect it will cure completely but will take time
5) Need to council ur wife as this is very very important
Next Steps
consult me privately for more details