'Your brother was deleted from existence, as he told me,' said Desti, 'He time travelled to the past and saved me, but he met his past self. Before he faded away, he told me all of those. And that's why he's gone.'
After Luigi knew the truth, he remained silent. '…Luigi?' Said Desti. The green plumber then bursted into tears. 'He sacrificed himself… Just for you?' He asked. '…Sort of. Mayo said that he didn't want Meggy to get depressed, so…' answered Desti. 'Go ahead to have lunch first, Desti. I'll come later,' said Luigi. 'Don't worry. I'm not starving anyways,' Desti answered, and sat next to the green lad, 'Remember, I'll always lend you a shoulder to cry on.'
Luigi was a bit calmer after that, but he still cried. After a while Luigi has stopped sobbing. 'Thanks for being by my side, Desti,' he said thankfully. 'Your welcome,' the Octoling replied, 'Now let's have lunch first. I believe that you're a bit hungry now.'