Comma After Now

Should there be a comma after Right Now if it is in sentences? 3

An example:

For the moment, focus on the moment, not nature.

If you put a comma after that, it means a break.

An example:

Now he should have stopped to tell himself.

Of course, if you want to add it three times, you have to add it too.

But you don't need it in an article or reading unless you want the reader to take a break. In an article, one can easily say that there are many issues related to this ...

Comma After Now

A coma is not necessary, but I think it is a good indication of how the sentence will be pronounced. Others have developed their own scoring style, so I don't think there is a single right way to go about it.
You should ask another question. Why should I use this phrase?
Unless you have a specific reason (as in poetry), your sentence exists and must be followed by a comma.