Brant fought being held -- for the time it took and until he stopped having an option and swallowed. Then he did stop fighting Eric's grip, sort of tilted his head to the side and just went very, very, enthralled.
He didn't hurt, didn't feel bad -- in fact he felt really freaking fantastic. He was also very enthralled with the light fixture.
...John's partner or not, Brant had rarely been drunk, much less any other sort of inebriated. He was, therefore, completely fascinated.