What are some signs that it may be time to end a relationship with someone who is a good person but the relationship is not fulfilling?

How can you tell if someone regrets their actions towards you? Have you personally experienced this before? Did it have any impact on your relationship with that person?
What are some simple ways to incorporate more fruits and vegetables into daily meals?
Do some actors refuse to eat on camera due to concerns about how it may look in commercials or movies/TV shows, even if the food is actually healthy?