I think the bitterness of having to lie about everything would eat you up.
you genuinely have to do what makes YOU happy.
I wouldn't be bitter at all. NO ONE (apart from my boss and the tax man) has a clue how much exactly we earn, how much we have already paid. No one knows how much we spend to go on holiday - after all, a beach is a beach 
It's pretty obvious we earn more than the minimum wage, but no one would know about a ridiculous influx of cash. So I think I should win really 
People get funny around me, I remember Oprah saying how one family member was really bitter about the car she bought them as it wasn't "good enough". I would help people (I already do even if there's little I can do), but not make them resent me about it.
Imagine your kids are set up for life, no more worry about paying for their education, their 1st car, their wedding, their 1st home. If you use it wisely, money is one of the greatest blessings in life. It's not all, but it wipes out so many problems and gives you freedom.
Even whilst we were all stuck in lockdown, the really rich were jetsetting across Europe whilst having access to the best medical care should they need it...