Guilt

Kids do not have credit cards (well, mine don't)
And they have never heard of Interflora.

They have their own way of expressing guilt.

Luca momentarily interrupted his near-industrial output of dinosaur drawings for long enough to produce the subject of today's blip.

Nothing to do with the fact that an angry father screamed abuse at Mrs Raheny for 10 very long minutes when Luca collided with another kid on the big tube slide...
Nothing to do with the fact that he was at the time climbing up the slide rather than... well... sliding down the slide... when he has been told a thousand times not to do so.