Problem: How does the sentence end?

I was very tired, so I chose the pillow on the bed instead of the couch, since the
Answer: bed was close by.

Problem: How does the sentence end?

Michael was outgoing but Ian was shy, so
Answer: Michael always wanted to be the center of attention.

Problem: How does the sentence end?

The boyfriend bought the flowers on Valentine's Day, but forgot a card, due to
Answer: flowers being easier to remember.

Problem: How does the sentence end?

Jason was less accustomed to travel than Neil because
Answer:
Neil always traveled for business every month.