Toby Damon is no stranger to heartbreak, literal (heart attack) and figurative (break-up with Kate). And in the distant future — previewed once again in the season 3 finale of This Is Us — the over-demonstrative, ultra-devoted husband of Kate (Chrissy Metz) and father of their child, Jack (not Milo Ventimiglia), seems to be battling new trials, tribulations, and trauma.