Problem: How does the sentence end?

Lindsey had terrible insomnia and asked Rachel for suggestions, because 
Answer: Rachel had years of insomnia experience.

Problem: How does the sentence end?

Jennifer followed the instructions given to them by Megan, since 
Answer: Megan was the natural leader.

Problem: How does the sentence end?

Craig wanted to help Steven move forward after the breakup but 
Answer: Steven would never be happy again.

Problem: How does the sentence end?

The land connection worked much better than the wi-fi because the 
Answer:
wi-fi was spotty.