I'm friends on FB, with a colleague I worked with years ago. He has inherited the family business, and is clearly doing well for money. But OMG, the bragging on FB, is like nothing I have ever seen before. Constant photo's of his (expensive) watches, his Rolls, his holidays....pics of a private jet...and the most crass recently, was him posting a screen shot of the booking page for a holiday he had booked, for him and his wife, to somewhere in the Caribbean, deliberately showing the price : over £40k per person. Every single post is designed to show what money he has, and every time, I inwardly CRINGE.
By comparison, the very rich people I have known, have nothing to prove. They drive old cars, wear old clothes, and never mention money!