Even if I'd had 'a little' secret pocket sewn into my **boxer shorts (in which to conceal a wad of cash) any pleas to travel solo would've inevitably "fallen on deaf ears" ... because ... the
possible outcome might as well have been likened to an old

of mine about
'Polaris' (a US nuclear submarine based on the River Clyde)
knickers:-
"One 'Yank'

... and
**they're down!"