This is an exaggeration to emphasize that Jacob loved Rachel more than Leah. AT: "loved less than Rachel" (See: [[rc://en/ta/man/translate/figs-hyperbole]])
Leah was experiencing emotional pain because Jacob had rejected her. The abstract noun "affliction" can be stated as a verb. AT: "Yahweh saw that I was suffering" (See: [[rc://en/ta/man/translate/figs-abstractnouns]])