We part very good friends.

I shall always be glad to hear of you.' Evan pressed her hand, and bowed.

'I thank you, madam,' was all he could answer.
'It will be better if you don't write to Rose.' Her tone was rather that of a request than an injunction.
'I have no right to do so, my lady.' 'She considers that you have: I wish her to have, a fair trial.' His voice quavered.

The philosophic lady thought it time to leave him.
'So good-bye.

I can trust you without extracting a promise.