Michael Buble’s wife has defended her marriage following a Twitter onslaught from fans and followers who fear she might be in trouble.Luisana Lopilato was surprised when fans attacked her husband after he appeared to interrupt and grab her during a video message, which has gone viral.One wrote: “Thanks to Michael Buble and Luisana Lopilato going live pretty often on insta, we have discovered he’s actually pretty toxic and kind of violent…”, while another added: “luisana lopilato blink twice if you’re in danger.”The responses prompted Lopilato to jump on Twitter and assure everyone that her marriage is in great shape and she loves her husband.She wrote: “It’s incredible how some human beings are!!