Is it normal that i dislike when ppl post really long explanations?

Yeah. Especially when you can't read half of it because of the poor grammar.

I like reading 40,000 paragraphs, it's fun. I usually sit there, watch a movie, go to work, get married, have kids, watch my kids have kids and finally finish it.

Yeah, I'm with you.

Some topics can't be adequately explained in a few sentences, plus some questions deal with topics that deserve more than a few word answers.

And I find some of the long rants funny

Some people genuinely need advice with life problems. Although your posts may never require more than a couple of paragraphs, some other isolated soul may feel they need to flesh out their story a bit more to adequately represent their problems.

To answer your question, I do believe it's normal for people not to enjoy reading, sadly.

Depends on the content.

I like long-ish ones if they use paragraphs and write decently.

It depends on the topic.

i don't read when its one big giant fuckin 4000 word paragraph