U have erectile dysfunction and premature ejaculation.u should do sex with slow strokes and take deep breaths when u feel like cumming. Kegel exercises will also help u.

Hello It's not a problem first time happens like that due to anxiety and stress to show better performance. Don't worry it can be managed through ayurvedic medicines and Yoga techniques.  Take ashwagandha powder with warm milk twice a day and do meditation to relax your self.

You must understand that excess of everything is bad. Same is true with masturbation. Control masturbition. Dont do more than a once in a week otherwise it may cause some weakness. You may take cap. Shilajit & tab. Chandraprabha bhati. One tab. Each morning & evening & also take dhatu paushtik churan one spoon morning & evening. All 3 with hot milk for 3-4 months.