[Q]: How does the sentence end?

The behavior of Adam was a lot worse than Steven because 

[A]: Adam had a very bad childhood.


[Q]: How does the sentence end?

Joel wants to start beekeeping but asks Eric if he wants to join him, because 

[A]: Joel would feel lonely.


[Q]: How does the sentence end?

Felicia likes the air conditioning setting much lower than Christine because 

[A]:
Christine is always freezing.