If he opened the door, everything Linda had done could be exposed in front of Brock. In that case, there would be no impact on Orelia and Brock's relationship. In fact, it might even strengthen it. But what if he didn't? What if he took a risk and drove Brock away for good? Although there might be other competitors for Orelia in the future, he only wanted to deal with the current one, and all these actions were just to help Orelia and remove some of the hypocritical people from her life. Surely, it wasn't such a big mistake, right? It could be forgiven. But what if he played along? What if he turned Linda's plan against her? Only, in this version of the scheme, 'he' was the one caught in the compromising situation. This way, Linda's plan would succeed... and a rift would form between

