Antonia Blyth Deputy Editor, AwardsLineSPOILER ALERT: This story includes details about “Honestly”, Season 5, Episode 4 of NBC’s This Is Us.Tuesday night’s episode “Honestly” may have been your last dose of This Is Us until the new year, but it certainly served up enough Pearson family revelations to keep us going during the break.Amid the backdrop of a young Jack (Milo Ventimiglia) and Rebecca (Mandy Moore)’s clashing parenting styles (she: lead with love and understanding; he: win, never quit