Love Is Blind star Ben Mezzenga seemed surprised when Sara Carton said no at the altar, but she revealed that they had actually discussed their answers ahead of time. "I was shocked about that," Sara,

While the pair repeatedly expressed their love for each other, they struggled to get on the same page about religion and social issues.

Sara Carton tells PEOPLE she found herself "questioning if [Ben Mezzenga] was there for the right reasons" after several issues came to light, including his TikTok drama with an alleged ex and his You