The last one would be a hyperbole because because they are exaggerating the amount of years. The first one would be a metaphor because it is comparing your feelings about the guy to a box of colorful crayons without using like or as.
Discrimination is when you treat someone in a disrespectful manner based on their age, sex, race, etc.
Age discrimination is when you disrespect someone based on their age.
For example, a cashier follows a teenager around the store because they believe they are going to steal something since they're young and naive. Or, not letting an elder in to a club because they're too old to dance.
The poem "As Weary Pilgrim", by Anne Bradstreet is about finishing a journey (a "pilgrimage"). The author describes all the things that the pilgrim, having finished his journey, will never feel again. Bradstreet is clearly using the end of a pilgrimage as a metaphor for the end of a life, for the moment of death, and thus expressing her desire to reach that moment of eternal, blissful rest.
The phrase "And my clay house mold'ring away" refers to the body, aged and tired and near the moment of death.
The phrase "Nor grinding pains in my body frail" refers to that moment of eternal rest where there is no pain, only peace and bliss in the eternal afterlife.
The Hate U Give is Angie Thomas's first novel about a teenage girl who grapples with racism, police brutality, and activism after witnessing her black friend murdered by the police. The book became an immediate young adult bestseller and was adapted into a movie shortly after its release.