Part of grown up is watching the passage of bravery.
As a young adult you still hold on to the dreams that you have and recognise not the unrealism of it all. You can give up what is reasonable to chase what you want. Needs do not form a pattern of your thoughts, you want what you want.
As time passes,you let fear of the unknown get into you and all of a sudden you can only focus on your needs and afraid of your wants.
The cowardice of comfort