If you wake up in the middle of the night and hear noises, and open your eyes to see a stranger standing there with a weapon in one hand and your jewelry in the other, I really don't think it's wise to insist he could just be an after-hours jeweler there to polish the silver.

There's a difference between reasonably giving the "benefit of the doubt" and trying to kick the football because Lucy says to do it, for the 50th time.