You are not obligated to lend your possessions to others.
Chase is at home where he owns many tools and his brother is on the phone talking about the house project he is working on.
Chase wants to be a good brother.
Chase's brother mentions many tools he needs for the house project that Chase owns, so Chase explains to his brother the value of owning your own tools for projects.
Chase's brother mentions many tools he needs for the house project that Chase owns, so Chase thinks it is his brotherly duty to offer the tools.
Chase's brother invests in some tools of his own and Chase is able to have his own tools at his disposal.
Chase's brother begins to expect that Chase's tools are at his disposal any time, even when it is inconvenient for Chase.