My Son Is 40years Old Does Not Work Has No

My son is 40years old does not work has no patner i support him financialy including paying his rent,he is full of business ideas but can not start one because he can not look for a job.he does not listen to my advice he is always blaming me his young brother for his failure,when young he never did well in school,i had a ceaseran due to asphyxiation cord around the neck giving birth to him in 1976.my husband is an alcoholic,he was a womaniser during his work life now 65years old after he sold our house and drank the money he lives on my money in my house while i work as a refgistered nurse at 63years old i'm tired of looking after them working very hard to pay my house loan what can i do?i feel let down sometimes wanting to take my life so that i rest for ever.my e mail is YYYY@YYYY