Complex sentence: Though it is frequently insinuated Mac harbors homosexual feelings, he maintained an adamant denial of any such proclivity, much to the annoyance of the gang, until the season 12 episode "Hero or Hate Crime?", when he finally comes out.
Split into simpler sentences: Though it is frequently insinuated Mac harbors homosexual feelings, he maintains an adamant denial of any such proclivity, much to the annoyance of the gang. In the season 12 episode "Hero or Hate Crime?", Mac finally comes out.