Relationships should be handled with care. Caring for one another, showing concern, good communication between partners are just a few things that partners should put to practice always. A long term relationship is build out of trust and understanding.
There are partners who have done something that have led their partners not to trust them anymore (being dishonest in a relationship). After they have realized that what they did is wrong they'll want to amend their relationship bonds. But their partners don't trust them anymore!
How do you build trust in a relationship after being distrustful?