1.When a person lies about the quality of sex they're having with their partner because they love them and don't want to put them down, either to a friend or to the partner themselves.
person 1: So, you and Jess finally do it?
person 2: Yeah, last night.
person 1: And? How was it?
person 2: Fan-Tastic! Best, sex, ever.
person 1: For real? Or was that just a lover cover?