Giving up or not is your choice.
Don't ask others!
The question you should ask people is: "What is needed to succeed?"
Effort, consistency, sacrifice, skill, intuition.
Nobody can achieve anything without these.
But there is also luck, people response, general trend.
You can't really change these stuff, no matter what you do.
You have to adjust to them.
To succeed, one needs both the ability and the opportunity.
As for giving up...
At the end it comes down to a few very simple questions.
- "What do you want?"
- "Why do you want it?"
- "How much do you want it?"
It comes down to weather your "dream" is really a dream, or simply a whim.