He tells her she should just smile and laugh, exactly as she did in another scene where two men at a casting call openly debate her physical worth in front of her. Just as she does when rebuffing the advances of neighbor/fellow aspiring actor Terry (Pete Holmes) over drinks.
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https://letterboxd.com/fullhd8k/list/tee-yod-2-4k-hd-vietsub-xem-phim-moi-mien/