Romance: Penetrated by the Navy Seal

My husband was killed in action in a classified raid in enemy territory. His squadmate personally came to apologize for my loss and comforted me. We really hit it off and one thing happened after another and now things got really hot between us really fast. But he's keeping a secret from me of how he died. He was ordered not to tell me. He could have saved him but he was ordered to leave him behind.