It comes from serving others I believe.
Answer:
a free-for-all fight developed
Explanation: free-for-all suggests that everyone was fighting everyone and that there was no order or organisation
Answer:
To Linda, it may be unbearable because you don't necessarily need 2 kidneys to live, you only need one. In the world currently, there are people who might need a kidney transplant due to kidney failure, and since Linda may want to help them in need, she says that not donating her kidney would be unbearable.
Explanation:
