This stems from an underlying attitude problem where the person believes they will get away with whatever they can, to get through life.
This is not to be confused with genuine forgetfulness, where a person will feel openly guilty when borrowing from you and will buy their own gear immediately afterwards.
This person comes under the category as a pseudofriend
Possible solutions include openly embarrasing the person infront of others, or lend them broken gear. Embarrasment doesnt always work as they have no pride in themselves, and they will always return something that's broken as they will have no use for it.
Sod off! I'm not a walking stationery shop you sponger!
bodyboarder that pushes water aerial manuvers to the limit, that rides a versatile board that can take off/launch off on any hallow thick waves like shark island, Teahupoo, wedge and can come out from a really deep barrels. overall another outcast of sports media society.