The word “behold” here shows that [the person] was surprised by what he saw. Alternate translation: "Jacob was surprised to see it was Leah in bed with him."
## Did I not serve you for Rachel? ##
Jacob uses these questions to express his hurt or violation of trust toward Laban. Alternate translation: "I served you for seven years to marry Rachel!" (See: [[rc://en/ta/man/translate/figs-rquestion]])