What can help prevent my recurrent diverticular bleeding?

Hello doctor,

I had a diverticular bleed last year, which was after being treated for diverticulitis four months before that. I am a 62-year-old male who takes no medication. I was admitted to a hospital for three days, and nothing was done to me except a liquid diet. The reason they said they never did a colonoscopy is that I just had a routine one done six to eight months before that, and it was clear. The bleed stopped, and it has not happened since then. I take Metamucil, three times a day, and a probiotic. My feces have been soft and well-formed, and I go regularly every morning. I sometimes have to go the second time, where there will be little bits of feces, but just in small pieces. I eat chicken, fish, rice, potatoes, no red meat, all whole-grain bread, almonds, almond milk, bananas, and some fruit.

What are the chances of this happening again?

Is there anything else I should be doing to prevent it from ever happening again?

Please help.

Thank you.