I feel broken

My husband has dealt with a porn addiction for years. I'm confident he is not watching porn or anything inappropriate but now he can't keep an erection. Were only 27 years old!!! He says its cause he doesn't feel confident and is nervous. I feel so broken and so unlovable. I love this man hes an amazing person and father and extremely hard working. But I'm so tired!!! I'm just mentally tired. Im tired of being hurt.