[tonyedgecombe]

On the other hand they probably know you rather well.

[TeMPOraL]

In my experience, they think they know you rather well, but in reality, they know only the image of you they constructed for themselves. Also, regardless of how accurate that image is, it's sometimes better to talk with someone who doesn't have preconceptions about you.

[namaemuta]

That can be an issue too when they use that knowledge to brush off the trouble as not a big deal.