Look up Do Events. Although generally no, macro code executing has focus. You can try using Sleep, but it may take a bunch of experimenting to (perhaps) get something that may work for you.
I was looking for a timer to give the guys writing the scripts an indication of how long it is going to take to read the script
Ae you saying there is some relationship between how fast someone is typing and how fast someone is reading and speaking

Do tell. Would not a rather major factor be how fast someone types?