If something has come between us, I think you ought to tell me--don't you ?' 'I wish I could,' Lushington answered, after a moment's hesitation.
'If you know, you can,' said Margaret, taking the upper hand and meaning to keep it.
'That does not quite follow.' 'Oh yes, it does,' retorted Margaret energetically.

'I'll tell you why.

If it's anything on your side, it's not fair and honest to keep it from me after writing to me as you have written all winter.

But if it's the other way, there's nothing you can possibly know about me which you cannot tell me, and if you think there is, then some one has been telling you what is not true.' 'It's nothing against you; I assure you it's not.' 'Then there is a woman in the case.

Why should you not say so frankly?
We are not bound to each other in any way, I'm sure.