* identifying when people are lying to you * identifying weakness: embarrassment, offense, narcissism, intimidation, hostility (I am deliberately excluding fea

* identifying when people are lying to you * identifying weakness: embarrassment, offense, narcissism, intimidation, hostility (I am deliberately excluding fear from this list) * writing * personal finances/accounting * product design: accessibility, usability, performance, engagement, organization (I am deliberately excluding vanity from this list) * emergency car repair * house maintenance * horticulture * accuracy with a rifle * philosophy * history * homeopathy (plant chemistry kind, not the pseudo science kind) * leadership * listening * benevolence * maintaining a healthy marriage * honesty * automation