Ur pain must be terrible. Hv complete faith in God and practise auto-suggestions. Auto-suggestions are positive sentences said to oneself repeatedly and they cure people of their diseases.
Believe me its true. It helps me as even i am not well. I'l give u the name of a site.
Go to the healing cards section which is there in this site and u'l find an auto-suggestion for ur problem.
Pls say it repeatedly n with faith and u wil become alright, m very positive abt it.
The name of the site is www.vitalaffirmations.com
As for ur son, talk to him abt the problem, why does he hate u and his father and do it personally. Meet him in person, clear his misunderstandings and it wil work
Most importantly have complete faith in God.
Someone has rightly said" Take ur worries to God and leave them there wd Him", He can handle it better than u"
Dont worry, practise the auto-suggestion applicable to ur prob and also talk to ur son in person. There is not a single child on earth who does not love his parents. So find out his grievances and clear them once and for all.