Hii I admire you for positive outlook. Yes it occur many a times. it is common in intial sexual life. Masturbation is normal physiological function of our body it is one the method to satisfy sexual pleasure in absent of partner both sex and masturbation has same and has same end result to get satisfaction. So no need to worry masturbation doesn t lead to any problem in your married life but constant thinking and feeling of guilt of masturbation will effect so don t think much. Free communicative and mutual understanding will help Sex is mutual act So try to do mutually and tell your problem to partner This will reduce your anxiety and able to erect easily. To learn how to stay long certain methods like women on top position condoms lubricated with benzocaine kegel s exercise will help ful .please read on net and learn how to do it stop and start method of sex is very good results. it is thought diversion method and require time to learn . search on net to do it proper way read more on google masturbating before sex can increase your time proper play and understanding is needed. Hope you will get best. Thank you.