First of all get blood check, as he is not able to cum, this is sure ejaculation problem or delayed ejaculation. Ask him does he masturbate too much or does he watch porn. As due to excess masturbation reduces sexual stamina and sometimes halts ejaculation of cum.View Thread
Your decision to support your husband is perfect. First your husband need support from you. Understand this problem and tell me not to have any kind of stress. Another thing as you mention all medical reports were normal, which means your husband may have some physiological issue causing him ED.
Relax by having bath before sex. Also try to stimulate sex by touching the sexual organs of your partner. You can also go for sex therapy and herbal remedies which help to treat erectile problems naturally.View Thread