Smile there are many people out there who're rich but yet decided to live a simple life just like this your colleagues here.
It might come as a Surprise but I bet I would have done same as I don't like drawing attention to myself.
Glad he talk you into felling free around him after that time, it's normal to want to draw a line so your attention won't be mistaken for something else.
Thanks for reading through boss, you are appreciated
You're welcome.