Answer:
I'm not too sure what the Johari Window is, but I'm going to guess it's D, because she's doesn't know, so it's unknown to her. Sorry if that's wrong
The amount of interest increases faster and faster.
7. james and sara 8. cicely 9. frank
D is the answer. The talk about times suitable for their guest and even are talking to the boy saying how his party is going to be fun
"Dad, it is just too hot to work in the garden." Dave grumbled as he hoed grass beside his father. He continued, "We could get a hot stroke from the sun."