" " Because you believe that I cheated you , " he answered immediately . " You did , " I said , out of reflex , because in truth , I was n't sure I 'd believed that for a long time .
Question: What action might have led up to this conversation at hand ?
The answer to the above question:


The one accusing the other partner of not trusting them came home late from work too many nights without financial increase to prove they were at work .