Yup, I saw this IG Live as well. Chad said that the speculation has been stressing them out. I bet; even a couple of their fan accounts on Twitter were questioning their relationship this past week. I'm glad he spoke up but I don't see anything quieting the troll accounts because someone who would interfere with a stranger's relationship isn't going to respond to a rational appeal. They're crazy.
Side note- Chad claimed that all gay relationships become open eventually. I hear this a lot from people in open relationships but it hasn't been my experience in relationships at all. To any baby gays out there: don't feel like monogamy isn't possible if that's what you want.
We have research on open relationships amongst gay couples and about 30-40% are open. So it might seem like everyone is open but a majority actually monogamous. Open or closed, do what works for you and not what you think other people are doing.