Archaeology interlude:

[wnylib]

7. Once adapted to their environment, they know how to

exploit resources with pretty good skill. But they do have greater periods of struggling to survive during harsher than usual winters, or serious drought conditions. Under such conditions, they sometimes need to migrate and adapt to new environments, temporarily or permanently.

But when things are going well, they have leisure time for family and communal events once basic necessities are met.