So why not the M.F.H.

and his acres ?" Kitty detected the bitter, hurt note in her voice, and privately congratulated herself on a letter she had posted only the previous evening telling Peter that everything was obviously over between Nan and Maryon Rooke, as the latter had failed to put in an appearance at St.Wennys--and would he come down to Mallow Court?
With Peter once more at hand, she felt sure he would be able to charm Nan's bitterness away and even prevent her, in some magical way of his own, from committing such a rash blunder as marriage with Trenby could not fail to be.
She had been feeling rather disturbed about Nan ever since they had come to Mallow.

The Nan she knew, wayward, tantalising, yet always lovable, seemed to have disappeared, and instead here was this embittered, moody Nan, very surely filled with some wild notion of defying fate by marrying out of hand and so settling for ever the disappointments of the past--and whatever chances of happiness there might be waiting for her in the lap of destiny.

Settling them in favour of one most final and lasting disappointment of them all--of that Kitty felt convinced.
"Nan, don't be a fool!" she insisted vehemently.

"You'd be wretched if you married the wrong man--far, far more wretched in the future than you've ever been in the past.