--Or, alternately,
you can just insist that [another of] your children kiss your foot, to get some favor that they have asked for, just to "see" what they're willing to do to go see Indiana Jones 3/get paid their allowance/have their permission slip signed for the school field trip/whatever it was at this distance of a decade and change.
Then, mock them for having no pride, self-respect, or self-restraint, that they would do it to get some transient passing pleasure.
All the while talking (and getting paid to talk, what's more) daily about The Sublime Dignity of the Human Person and Christian Ethics and so on.
This has the added benefit of being something you can do all year round, not just at Christmas/birthdays, and instructive too, pour encouragez les autres.
Then, mock them for having no pride, self-respect, or self-restraint, that they would do it to get some transient passing pleasure.
All the while talking (and getting paid to talk, what's more) daily about The Sublime Dignity of the Human Person and Christian Ethics and so on.
This has the added benefit of being something you can do all year round, not just at Christmas/birthdays, and instructive too, pour encouragez les autres.