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1. If you could change one life-changing event in the life of someone important to you, would you?
I think I wouldn't dare. I'm not a powerfull enough calculator to predict how things would be would I change anything.

2. Which do you think is easier to do, being friends for many years, or being life partners for many years?
Clearly, friends. Statistics can show you it's not a matter of opinion at all.

3. Have you ever walked away from someone you considered a friend?
Glad that verb (consider) is in the past tense. Yes, right when I noticed they wheren't the friends I thought they were.

4. If you had to choose between telling the truth and hurting a friend or lying and making them happy, which would you choose?
Depends on the lie, obviously.

5. Which would you rather hear--the truth which will hurt, or the comforting lie?
Again, depends on the lie. Again, obviously.