"We could have brought a submarine!"

GARETH SAYS…
I keep equating everything to how much we owe. We went to a lecture tonight by a guy who built his own submarine. When he took questions at the end I asked him how much it had cost him to build it. $120,000 was the response. Amy and I didn’t need to say anything to one another but we had both instantly done the sums in our head – we could have make one and a half submarines rather than paying off the loans!