A source tells ET that Viall and Grimaldi go through the 'ups and downs' that every relationship faces.
A new report claims the crew will be keeping count, as well as making sure there is plenty of food on set to keep the cast from getting too drunk.
'Bachelor in Paradise' Reportedly Implements 2-Drink Maximum Per Hour Rule
DeMario Jackson on Race Issue in 'Bachelor in Paradise' Scandal: I Was Immediately Called a 'Rapist'
The reality star got choked up talking about the 'Bachelor In Paradise' investigation and how it affected his family.
DeMario Jackson Cries, Talks Emotional Toll the 'Bachelor in Paradise' Scandal Had on Him and His Family
The host has returned to Mexico after production was halted earlier this month.
'BIP' is starting over and is being reshaped after the controversy that involved Jackson and Corinne Olympios.
A source close to the reality star confirmed the news to ET on Thursday.
Corinne Olympios' Boyfriend Pledges His 'Unwavering Support' to Her Amid 'Bachelor in Paradise' Scandal
Only ET is speaking with the 27-year-old marine, who is hoping to head back to 'Paradise' and find love now that the show is back in production.
The 'Bachelorette' alum also opened up about claims that producers tried to play matchmaker.
The 'Ranch' star admits he was 'worried' following an investigation that temporarily suspended 'BIP' production.
The actor says the show is his and wife Mila Kunis' "greatest guilty pleasure."