Thank you for your reply! I'm glad your surgery gave you a better quality of life. I believe that is what we all hope for.
When speaking, I only get fatigued after talking too long and/or talking too loudly. My throat will feel tight and uncomfortable and then I realize I have overdone it. Actually, the same is true with singing.
If I get enthused and animated I tend to speak (or sing) too loudly. I have to pay attention and curb myself.
Thank you for your encouragement.