Hello.
Guys, I just want to know your opinion.
It is okay if.. when you're being ignored (in chatroom) , when you ask/type something and no one respond, you're okay, you aren't sad, it is okay if someone ignored you and you just think that is normal ??
Because some people, when I didn't respond to them, they are like, being sad, I don't understand

You mean the idea of "taking it personally" and if anything, I imagine it's a lack of perspective of both sides. Some people consider themselves no different than others, especially in public settings. While others are taking every second to leave an impression of some kind. Sometimes both are the same person on a different day.