Is normal to not want to miss any details in any and everything?

I apologise for my mistake. You do sound rather like him, though.

I think the last time Hans was seen in these parts, he was explaining at great length in a series of posts the tenets of his new religion and how it took the best bits of all other faiths and made something much better. I assumed Hans had evolved from the spiritual realm and moved into the intellectual.

As for your basic question, the answer is no, you're not normal at all. But I'm pretty sure you realise that already. Many people are content to stop actively learning when they leave school. Others (like me) have a few topics that interest them, whether for professional reasons or out of personal curiosity, and they focus on those.

A few centuries ago, it was possible for a person to know everything there was to know. Trying to be a modern-day Renaissance man is a fool's errand, since knowledge is constantly expanding.

What you describe is a compulsion, and one that's now causing you some distress and a sense of failure, rather than being a source of enjoyment and a feeling of achievement. I'd suggest you might consider seeing professional advice.