[a_f]

What I have read people do is that they prime the text with something obviously emotional before hand, including punctuation, before their desired output. They then trim the audio they want to remove the prime phrase.

So something along the lines of:

"Remove this audio because it makes me super angry! Very angry! Now I say what I want to keep!"

Just having the AI read a script is often not enough alone without post processing and manipulation, often it is somewhat flat