Why Are Dogs So Insanely Happy to See Us When We Get Home?

Part of that is a social greeting, but they’re also trying to taste and smell you to figure out where you’ve been and what you’ve done during the day. So some of it is curiosity. If I’ve been with other dogs, for instance, my dogs know it, and they resort to sniffing intensely.

Source: Why Are Dogs So Insanely Happy to See Us When We Get Home?