Couples at one point ask the question,
What Are We Doing?
The question signifies that there is a need for clarity and direction.
There isn't a relationship on the planet that exists between people that exempts them from work in that relationship and for that relationship.
People try to cut corners by cheating only to realize that the work they are trying to avoid must be done at some point.
Cheating never yields trust.
You can only build with people continuously if you trust them.