You should treat other people's property with care.
Tim's friend lends Tim their bicycle for the weekend and asks Tim to be careful with it.
Tim wants to use his friend's bicycle.
Tim rides his friend's bike conscientiously, taking care that it won't get damaged.
Tim rides his friend's bicycle roughly over the wrong terrain and damages a wheel.
Tim's friend is glad Tim was careful with their bike and returned in good condition.
Tim's friend is angry that Tim didn't respect their bike and damaged it.