It comes from serving others I believe.
Answer:
He tries to kill his wife by burning down the house.
Answer:
What do you mean by "typical of his work?" :)
Explanation:
(What I think is the) answer:
How someone talks of something through their perspective.
Explanation:
With a colleague (workplace mate) you'd talk from a professional standpoint but if you were to talk with a friend you'd speak more casually about stuff.