Absolutely not! I have many indeed,
Let me begin with one that most overlook.
John does not coagulate that well, he simply will bleed.
If you speak to his better-half, please do not open this book...
She would begin, I paraphrase, he is classic at wasting time.
He is Chief Council for Excuses.
He is most likely able to avoid tasks of unpleasantness
John can rearrange a yard, both front and back so it requires little up-keep.
He is significantly genius at up-setting neighbors by developing a low-maintenance jungle-look yard.
John according to his brats is "so not funny". Thus one could claim this as his expertise...
You "see" John over the years has developed many skills of expertise not just one,,,