Thanks for sending across your query.
Please be relax, will guide you in details.
You mentioned 2 concern; Erection and early discharge, and both can be treated and there is permanent cure for these issues.
It can be of many reason so first need to evaluate the issue in details so proper diagnosis is required, have to check if there any other health deficiency present because that also one of the reason for this issue.
We can treat it in few weeks by the help of ethical medicine, specific diet & exercise, diagnostic and some procedure.
Next Steps
Please do consult privately for further process and treatment
Health Tips
Start some physical exercise and don't use any temporary medicine