Emma and Sean were meant to be together and tbh I don't even acknowledge her shotgun wedding w/ Spinner, but in any case, Sean belonged with Emma. He was basically a member f her family! They went through so much, and I honestly teared up when he came back to say goodbye to her before being shipped out, because they balanced each other out so well. Other than their relationship (which might be my favorite Degrassi relationship ever), I just enjoyed seeing his dual personality, from being "bad" to a caring, sympathetic guy. The episode when he reconciled with his parents also made me cry, and he grew into one of the most admirable characters.
