HI THANKS FOR POSTING YOUR QUERY. SIR ,LET ME TELL YOU THAT DILATED CARDIOMYOPATHY IS A CONDITION INTRINSICALLY AFFECTING THE MUSCLE FUNCTION/PUMPING FUNCTION OF THE HEART. IT HAS GENETIC BASIS AND HAS NO CURE WITH MEDICINES,EXCEPT KEEPING THE PATIENT CONDITION IN STABLE MANNER WITH DRUGS. THE CAUSE OF CARDIOMYOPATHY IN YOUR CASE IS MOST LIKELY SECONDARY TO DRINKING ALCOHOL FOR A LONG PERIOD OF TIME.THIS FORM OF CARDIOMYOPATHY HAS RELATIVELY BETTER PROGNOSIS IF THE PATIENT QUITS ALCOHOL. COMING STRAIGHT TO YOUR QUESTION, REGARDING THE POTENTIAL OUTCOMES OF SEXUAL LIFE POST MARRIAGE,THERE SHALL BE NO PROBLEMS ARISING IF HE MAINTAINS HIMSELF A REGULAR EXPERT MEDICATIONS .OCCASIONALLY THERE CAN BE MINOR PROBLEMS ARISE WITH THE LIBIDO .THESE CAN BE IMPROVED WITH THE USE OF DRUGS LIKE SILDENAFIL. THIS CONDITION NEEDS ONE TO MAINTAIN HIS BLOOD PRESSURE, TRAINED EXERCISE CAPACITY,IN A NORMAL PATTERN. HE SHOULD GET A REGULAR CHECK UP THROUGH ROUTINE INVESTIGATIONS LIKE COMPLETE BLOOD COUNTS,2-DIMENSIONAL ECHOCARDIOGRAPHY TO EVALUATE THE PERIODIC PUMPING FUNCTION OF THE HEART,REVIEW OF DRUGS WITH THE DOCTOR ALL THE ABOVE MEASURE CAN HELP TO LEAD A NEAR NORMAL OCCUPATIONAL ,SOCIAL AND SEXUAL HEALTH. CONSULT YOUR DOCTOR FOR EARLY TREATMENT IN CASE OF ANY COEXISTENT INFECTIONS. CONCLUSION: A NORMAL SEXUAL LIFE IS POSSIBLE WITH A GOOD TREATMENT COMPLIANCE IN DCM THANK YOU. TAKE CARE.