Hi look for Premature ejacultion there are few methods like - Stop and start method:
When you are about to reach orgasm. Stop the stimulation for about seconds and then start it again..Repeat this pattern until you want to ejaculte
The Squeeze method:
When you are going to ejaculate.At that point partner gently squeezes the end of the penis for several seconds.. then start it again.
For more details check my YouTube channel- Tandon’s Clinic
Next Steps
It is very common disorder and can be cure
Health Tips
Don’t hesitate to take treatment, as it will further lead to Erectile Dysfunction