LOTR The Fellowship of the Ring - Saruman the White

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

To feel a strong affection for someone, such as a family member or partner. It also means to have a very great interest in or pleasure from an activity or thing.

To be sure means to feel certain that something is true or will happen. It describes a state of having no doubt and being confident in your knowledge or a decision.