Avery lets her hoist up by his underarms, picking him up not being much of a problem since they're both underwater, and he's rather light in the first place. He doesn't just let her eat him, he gently pushes deeper down her throat, in time with muscle contractions to make swallowing him go smoother. None of him put up a fight, a bulge in his jumpsuit possibly obstructing his way in, but nothing else beyond that.