Voice volume is the right answer i think
Explanation:
the answer to your question is you're probably hungry or just need to go to the bathroom
I think it the answer is B
Spend some time to yourself, enjoy your favorite tv show while eating your favorite food, hang out with people who make you feel good about yourself, get a nice massage ever now and then
Because you yourself know you're going to tickle yourself so it's no surprise so you don't feel that tickling sensation