I think there have to be “no posing” and just natural pictures, that is why I often shoos to shoot from behind or the side.
Or maybe in “action”:
Eyes are fascinating as well, here is two pictures with them in focus:
I often take my photos of nature and flowers and things like that. People are for me a “new area”, but it sure is fun. The most important is that the people are OK with being in my photos:)