I must, "I should," or "I have to" are limiting and self-sabotaging words. Use "I would prefer to…"
Extroversion Introversion Test
Are you an extrovert, introvert, or ambivert? Do you crave time alone, or time with others? Learn more here! ...Take this Test
"If you think you are too small to make a difference, try sleeping with a mosquito."
There are no lost opportunities; you didn't "miss the boat." Boats come to port many times.