I am a 27 years old male, i will be married after 3 months, i have been doing masturbation for last 10 years regularly, despite this i am well healthy but there are some doubts in my mind regarding my penis size which is 5 inches when erected, pre ejaculation problems may be occured in future after getting married, and when i ejaculate less volume of semen. and most stressful doubt is whether i have amble sperm count in my semen. how can i check this before marriage. i want to cure my all problems before marriage. i want to be internally strong as stud before marriage. PLEASE GIVE YOUR SUFFICIENT ADVICE THANK YOU