Man set to Divorce his Wife for her weight reduction

A business man, living in Lagos complained that he is no longer comfortable with his wife, and it is affecting their marriage. He explained that his wife used to have plumped side and was one of the reasons he fell in love with her. She typified the traditional African woman, who has the curves in the right places. In his words:
“She didn’t add too much weight after our two children. At any rate, I wouldn’t have noticed, because I was really crazy about her shape. I also didn’t hide this from her.
When some of her friends were harping on slim, being the in thing now, I warned her not to follow the trend. And I assured her she wasn’t fat, but just right for an ideal woman.
Unfortunately, she seems not to believe me, because sometimes last year she enrolled in gym. She told me it was to maintain her figure. I grudgingly allowed her to continue, but warned her against being slim.
Now I can hardly recognize the woman I married, as she is now all bone. When I protested, she said it was the in thing among her friends. And that she doesn’t want to lose her husband. I reminded her that she doesn’t have problems with me on that score that I want her the way she was. The issue now is that I don’t want her anymore. I want her out of my life, because she is beginning to irritate me. I no longer derive pleasure in her company. 
Much as I love her, I am no longer happy with her and very hurt by the fact that she preferred what her friends’ husbands think than what I feel about her.
I don’t know what to do, because we had a very happy marriage. She knows I have never liked skinny women.
She has started to complain about my lack of interest in her, but there is no way I can ever be as close to her again in her present shape. I am really trying hard not to loathe her; because once I get to that point, there will be nothing more for me in the marriage.”