«But now — unearthed from bowels of media archives — comes none other than Walter Cronkite reporting on fears of a coming ice age in 1972. (breitbart.com)
You should also be taking him out when you think it might be time for him to go because a period of time has passed since he last relieved himself or because he's just engaged in activities (napping, eating, drinking, chewing, playing) that typically get his bladder and bowels moving. (thehousebreakingbible.com)