(One of my Writer's circle pointed something out too - "It was lucky Colin was a "good guy" - otherwise this story could have been a much more murky affair" - I hadn't thought of that!)
Cool idea. Imagine if he was a nutter, psychotic, or a prankster. Maybe that explains where my biros go!
'Somewhere in the cosmos, he said, along with all the planets inhabited by humanoids, reptiloids, fishoids, walking treeoids and superintelligent shades of the colour blue, there was also a planet entirely given over to biro life forms. And it was to this planet that unattended biros would make their way, slipping away quietly through wormholes in space to a world where they knew they could enjoy a uniquely biroid lifestyle, responding to highly biro-oriented stimuli, and generally leading the biro equivalent of the good life.'
~DA
I would advise stilts for the quagmires, and camels for the snowy hills
And any survivors, their debts I will certainly pay. There's always a way!