A writer or speaker might choose to use ethos as a rhetorical strategy because He wants to show data and facts that support his claims.

He wants to solicit an emotional appeal from his audience and turn them against a certain group or action.

She wants to establish credibility and gain the respect of her audience.

She wants to express strong feelings of praise or contempt against another person or group.

The first sene: alice was performing a magic trick with a wand and a small spell book that her grandfather had given her. while she was practicing she saw matt who was one of the other contestants, while she was practicing matt bumped in to her and made her say the spell wrong. all of a sudden a swoosh of sparkling purple wind picked them up and put them back on the floor. when they looked at each other alice saw herself and that’s when she realized that they had switched bodies.