Monkey see, monkey do.

Tuck just not-so-gently elbowed his sister away from the laptop next to me because he "hadda checka e-MAIL!"

[Neither of my children have email accounts, obviously, although we do let the bug email her grandparents and cousins from one of our accounts occasionally.]

His father's morning addictions to email and coffee are obviously being directly transmitted, whether by genetics or example, directly to the next generation.