The previous route was very dangerous and was also expensive to traverse. Early travelers encountered dangers such as war zones and diseases. They also had to cross deserts and mountains to get to their destination. Progress was made when a new route via the sea was discovered. This limited the perils that were once faced.
With his new focus on being a dad, Colby will spend less time working overtime and working less in general. This also means that his income will decrease, as less work means less money.