Advice for a man who has low levels of potency

Avoid thinking or looking at anything that is doubtful or haraam, thinking and fanaticizing, looking or even listening to female voices and thing or places that may arouse your feelings. Rest well and have a good correct balanced diet. Some of the foods that you should abstain from are sour stuffs, processed food and artificial sugar. May Allah Ta`ala give you a healthy and enjoyable marital life.