IF by chance it was your wife in the minivan and IF she saw you and IF she mentions to you that you she saw you, asks you why you were "following her" (as she would only see things that way, having a guilty conscience and all), etc., then simply tell her the truth.... You saw her car when coming back from dinner, was concerned something was wrong because the store was closed, the parking lot was pretty much empty, it was raining and you wanted to make sure if it WAS her car she wasn't stranded or needed help of some sort. She can take that for what it's worth, but in my opinion after getting to know you through the boards and from what you wrote that happened, that is the truth!
I assume your son is going to say something about seeing her car in the lot. It will be interesting to see how she reacts to that.
If she is at the point of rendezvous'ing in the Lowe's parking lot in a minivan then she has sunk to a pretty low level...I'd say darn close to rock bottom. Glad you remain upbeat and positive while also realistic of what it could have been. Keep focusing on you, your son, your awesome life. Prepare for the worst, hope for the best. The best is what you deserve.
