While chatting with friends for hours, what did the formerly lonely man feel?
Options:
- happiness
- tiredness
- communication
- agreement
- answers Hmmm, let me think.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Formerly lonely man can feel happiness. Chatting with friends gives happiness. Happiness is an emotion.
So, the answer is happiness.