Lorraine had already answered the questions from the people close to her so she didn't bother to answer other people's questions.
Even though they are all skeptical, they nonetheless wish their relationship well.
After a few months those who were skeptical about their relationship already started to think that they were really couples.
Alistair also visited the estate sometimes for their relationship to be more natural. That's why the Mr. Hansen was especially attentive once he heard that the lunch is also for Alistair. It seems that Mr. Hansen strongly supports their relationship with each other.
Lorraine doesn't even know when Alistair captivated the people in her estate because the approval rate for him is very high.
At first the people at the estate just treated him respectfully but after a few visits they all have a high approval for Alistair as her boyfriend.