The intent of your second sentence requires no comma.
Adding the pause after now slightly changes the connotation of the implied meaning.
Now I’m going to become an artist.
Now, I’m going to become an artist, if XYZ.
That pause implies you’re going to follow it up with a conditional clause or similar.
But the path to the top of the mountain is made through regular, consistent effort rather than bursts of motivation and inspiration, but those definitely can help bring you to your destination. Best of luck! Consistency makes the lottery of gaining exposure a sure thing over the long run. The more seeds planted, inside and in medium, the more fruit can be harvested.
Way to go!
Now, I’m going to become an artist!
The intent of your second sentence requires no comma.
Adding the pause after now slightly changes the connotation of the implied meaning.
Now I’m going to become an artist.
Now, I’m going to become an artist, if XYZ.
That pause implies you’re going to follow it up with a conditional clause or similar.
But the path to the top of the mountain is made through regular, consistent effort rather than bursts of motivation and inspiration, but those definitely can help bring you to your destination. Best of luck! Consistency makes the lottery of gaining exposure a sure thing over the long run. The more seeds planted, inside and in medium, the more fruit can be harvested.