True, because your thesis statement is a summary of the whole paper. If any information has changed in your thesis statement you have to change the essay as well.
Upon his return home, Gulliver was sickened by the sight, touch, and smell of his family.
Because of his feelings towards his family, Gulliver distanced himself from them. He instead spent his time with the horses, trying to recreate the feeling he had when he was still in Houyhnhnmland.
Become a better person and for school get better grades and pay attention in class.