My Brother Is So Pathetic

He is the type that always says the world is out to get him, God hates me, I never get a break and the list goes on. He worked in construction most of his life then went into auto sales but always at these small road side sales lots never at a large dealership. When our father passed away he had a life insurance policy that was split three ways, us and our mother, I invested my portion and so did our mother. He pulled his out after like five years to buy a new trunk and some other toys of all things never looking to the future. Then our mother passed and all that inheritance came to us, sold the house and some other things, split it evenly with him urging him to invest once again but most of it got spent on stuff that has no value now or he wrecked, like the boat that he ran into a rock break wall during high tide. It is the same shit with him all the time and now with retirement looming close on the horizon he does not know what to do. My wife is so sympathetic, come on help your brother she asks of me all the time, he is family you cannot just let him sink. The fuck I can't!!
The problem is he will become my problem thru my wife guilting me into it, I made her pretty made last time by saying What if I don't help him? You going to stop giving me blow jobs? Yeah, been years since that has happened, she has no grounds for divorce whatsoever and would probably end up in the same boat as him sinking off the rocks.
I think maybe all my thoughts of he is on his own also stem back to when we were kids and he treated me like crap all the time because I am four years younger, always had this I know it all attitude with me calling me names and pushing me around. I know it was kid stuff but somehow I feel like he never grew up and matured into a self sufficient adult. Hell, even his ex wife complained that he was basically a child in a man suit so I know it is just not me.
Anyways, life goes on.