Life Jim but not as we know it!

The world is an extremely strange place for me at the moment. Number 1 son still trying his hardest to get a job. All credit to him he isn't getting down like I would in his situation. Littlest is now in exam time. Boy, 14, need I say more? Revision how do you spell that? Such a shame, he is a blend of the two and could do so well. Hope the penny drops sooner rather than later!
SO - Number 2 son!
Well coursework due in Tuesday.
Much to his Mum's annoyance I persuaded him to come home (by paying for his ticket OBVIOUSLY)!!
So we get home and set about the work. Before anyone says anything-he did it all himself, I was merely a sounding board.
It all started well, then he decided he needed a release so went out Saturday for a few beers with his brother (until 4am). Then Sunday when he eventually appeared he decided later he needed to see a girl he had met the previous night for a different release!
Sunday a struggle to get him focussed, I eventually got a draft to read at 3.45 am!! Some chance,
on you go son!
My mum is struggling with her fight against cancer. Her Chemo knocked her for six she has been sick for 3 weeks and has been in and out of hospital. The strain is showing on my dad which is unfair. He has now started being domestic, bless him, he will do anything for my Mum, including if he could have her cancer! Old fashioned true love! She is now out feeling better but next chemo this Friday so fingers crossed.
That's the family -  so what about me?
Work is very tough, busy with no margin, got home from Ireland and not a "welcome back love" from the wife, I actually got ".... I want a divorce...."?
So life is in a state of flux, do I look for a bachelor pad in Birmingham city centre, Do I up sticks and move to London with number 2 and be outcasts together?
I have made mistakes but at my time now didn't expect the kicking I am getting. I have always tried really hard, I can only draw strength form others, My mate Paul, who has had a really tough time and still get up smiling. Good on yer mate you are an inspiration to me! Lets hope this new venture comes good its about time we had some luck!
Tonight I have commented on "The Overgraduate" blog. He was commenting about gay "marriage".
I will put here my same confusion.
I am reasonably educated and at School we used the Oxford English dictionary as our bible in English.
So I looked up their definition

Definition of marriage

noun

• 1 the formal union of a man and a woman, typically as recognized by law, by which they become husband and wife:
•  

So Please explain to this thick University educated Chartered Accountant how the above and "Gay" marriage are the same. I have no issue with gay union, but ..........