Very sorry about your brother, that must hurt terribly. I don't know what's "normal" about fearing death, but I think if you're grieving your brother it's understandable that you'll have a variety of powerful emotions -- losing someone you're close to really brings home the reality of how fragile our existence is. People die, people we care about, and there's nothing we can do about it. Then WE die!! Yikes! And in some ways, life is cheap... look at how many people die of starvation each day, or because of political unrest and corruption, etc. Death is just all around us all the time, but we don't notice it much until it happens to someone we love. For me, the death of a loved one is an opportunity to wake up... it's a sharp stick in the ribs from life which spurs getting serious about what really matters. So the Big Questions come up: "who am I?", "what am I doing here?", "what's important and what's not?", "what does my life mean?". That's what death should provoke, I think. If you're allowing yourself to grieve, and allowing the pain to help you wake up, I think you're doing what can and should be done. I wouldn't worry too much about exactly what feelings come up then.

I lost my brother too! He was one year older than me and we were almost like twins. I miss him. It's been over 10 years now and it is hard for me to think about because the pain is fresh, but "time" has helped. About fearing others will die... it will get better, but it will not go away. This could be to your benefit, though... you will always be careful now. You will be aware of things that others will not even notice. You can be a leader of many now where as before you might not have understood. Time heals... it all sucks right now, but it will turn into a blessing. I promise. (Hard truths to swallow)