Hello dear.. First of all remove all myths & misconceptions from your mind about masturbation being a bad habit. In fact, Masturbation is completely normal & doesn t have any bad effect to the body and mind. However...connections between erectile dysfunction & excess use of porn has been reported in many studies. For those affected, recovery takes place by 6-12 weeks & mainly involves avoiding the causative factor, that is watching porn. Regarding the problem of premature ejaculation, it s mostly related to anxiety. So...don t worry about all this & stay relaxed Avoid stress...practice meditation..this helps in improving concentration & builds up the confidence level. Avoid smoking & alcohol Also have a diet rich in fruits, vegetables, fish, nuts & honey. Wishing you a Healthy Life. Take care.