"I want to be a scientist when I leave school."
"You're not smart enough. Look at those grades."
Knowledge is acquired over time, years and hard work. wewe may not be smart enough at the moment, but that doesn't mean wewe can't make your dream come true.
"I'd like to make a living as a writer."
"Don't bother. It's not good pay."
Is money zaidi important than happiness? uandishi could be a side job if needs be.
"I believe in vichimbakazi and unicorns."
"How old are wewe really!?"
If something is real to you, then it exists. What about Jesus?
"You're 20 and you're still a virgin!?"
There is no set time for anything...