Olivia, in her typical fashion, toddled around him.

Occasionally, as a caring older brother, Edwin would even change Olivia's diaper.

When Mark and Cecilia arrived, they saw Edwin in the midst of diaper duty. Olivia, diaperless, waddled over calling Mark “Dad." He scooped her up, quickly and adeptly putting on a fresh diaper.

Cecilia murmured, "Olivia's over a year old now. Maybe it's time for training pants."

Mark pondered the idea, eventually nodding in agreement.