As iStockphoto increased in popularity, hosting and bandwidth fees for the site grew proportionally, forcing a decision upon Bruce as to how to pay for bills approaching $10,000 per month.
That is quite possible, 'remarked Heathcliff, forcing himself to seem calm:' quite possible that your master should have nothing but common humanity and a sense of duty to fall back upon.
It's the type of abstract thinking that stimulates the mind's neurological receptors... thus forcing one to reflect upon the significance of their daily role.