I think because he has very little energy remaining and has been out in the cold for too long.
It means live in the moment. You can't change the past, so don't worry about it. The future does depend on what you're doing now, but belive it is good.
Answers:
1.) Is she coming to the party?
2.) Is it raining heavily?
3.) Have I been to Simla?
4.) Have I finished my homework?
5.) Is mom cooking dinner?
6.) Are the girls learning their lessons?
7.) Has she returned from school?
8.) Have they accepted the invitation?
9.) Is it disgusting?
10.) Can Suma swim?
Both of my daughter's husbands cook terribly.