How can over-masturbation and its related issues be managed?

Hello doctor,

Before marriage, my husband said he masturbated every two to three days, which did not concern me. Later, I found out he was doing it daily and hiding it from me, which hurt me. He watched things unlike me, saying men want what they do not have, which made me feel even worse. Now, he spends all his time on games and masturbation, and it feels like he is cheating. He tells me when he is going to do it, but it still hurts. We sometimes have sex, but he is not the loving man he used to be.

Three days ago, when I wanted to give him oral sex, he said he was too tired, which made me think he was addicted to porn. The next day, he said he was not interested, which I later understood was due to work stress. I tried to be supportive, but he did not want to discuss it. That night, despite my pain from pregnancy, I stayed up, feeling he might be doing it secretly. When he said I should go to bed, I asked if he was going to stop playing games. He said no and questioned why I asked. Later, I caught him masturbating and felt deeply hurt. He blamed me for not asking him to wait. We are now in a major fight, and I am feeling extremely depressed, thinking he is no longer the man I love. The situation is affecting our relationship and sex life. What should I do? Am I asking too much?

Please help.