Premature ejaculation and nightfall problem

Patient: Sir im a. boy of 22. and im suffering from premature ejaculation since last 2 years..when i start sex with my partner i just cum out only in 5-6 shotssir i think this is because of excess of masturbation ..sir now im feeling very guilty and shameplease sir help me in any way ..and please also tell me what medicines i can take for just instance relief while performing sex so my partner will be satisfiedplz sir help me as soon as possibleill be thankful

Symptoms: Premature ejaculation and night fall