According to the author, from all the cooking Petra has eaten, the best she's ever tasted was when she ate food from the greatest chef in the world of Re: Zero - Dias Lepunzo Elemanso Oplane Fatsbalm VI.
According to the author, if Kenichi - Subaru's father - had been present when Julius beat up Subaru in Arc Three, he would have probably just watched over it.
Only those who can't read the mood would have intervened there.
In Gluttony IF, Subaru never said "I love you" to Shaula.
However, when he said he would kill her last from those he cared about in the world, those words - according to Tappei - would have been the happiest she'd heard in her entire life.