A potential I've not forgotten for a moment since the start, I assure you. You could say it's been on my mind.

[Is this the right time for a dad joke? Probably not, but it might help keep things light. Either way, he's magic-ing up some hot water for that tea of theirs in the meantime.]

Not to worry. I've not given up hope of finding a solution yet! I'm a rather determined mind, you'll find.