How to force a field to 2 lines, after the space between the first name and the last name

You can use a VB script that forces the field to 2 lines after the space between 2 words. 
For example, the first name and the last name:
Owen Darren
This can be done with the following script:
replace(Name of the field, " ", "")
replace("This is a line and when it slows down, you can see another one below", "slows down", "slows down,\n")
We can added a hidden field called "fullname", to be used in the script to separate the first and last name into 2 different lines.
The VB script could be as follows: replace(fullname, " ", "\n")