The plaintiff was happy and secure before this relationship. Her partner's relentless focus on her perceived flaws has eroded her self-esteem and fundamentally altered her feelings towards him. He is not offering constructive criticism; he is imposing his shallow ideals upon her.
The defendant's 'honesty' is merely a thinly veiled attempt to mold his partner into his ideal image. He disguises his personal preferences as concern, ignoring her feelings and achievements. His behavior reeks of insecurity and a desire to control, not genuine affection.
While open communication is important, the defendant crossed the line by repeatedly criticizing the plaintiff's body and pressuring her to undergo cosmetic surgery. His comments were not constructive, and his attempt to pass them off as 'honesty' does not excuse his insensitivity. The plaintiff is justified in feeling repulsed by his behavior and re-evaluating the relationship.