You've analyzed your worst-case scenarios. Now, take a look at the conservative upside of making the decision to go forward. You will answer the question:
"What might the benefits be of an attempt or partial success?"
You will also indicate whether the benefit is temporary or permanent, internal or external, and rate its impact on your life, level of fulfillment, peace of mind, etc.
Your big decision:
Face my Fear of Public Speaking
Clear Benefits Data Below
Benefit
Duration
Type
Impact
Benefit
Duration
Type
Impact
1
My presentations are going to be better.
Temporary
External
2
My students will learn more from me.
Temporary
External
3
I might be able to increase the intrinsic motivation of my students.