'On one point I can set your mind at rest, and I will, for I cannot bear to see you suffering. It is true that Thyrza is with friends. I know the people with whom she is living.' 'You know them? You know where Thyrza is?' 'I found her where she lay ill; the chance of her having my address in her possession led the people of the house to send for me. I took her away, and put her in good care.' 'And you could keep this from me?' 'You see why I did. Can I trust you not to abuse my kindness?' 'You mean--?' 'That it will be wholly dishonourable if you make any attempt to discover her after this. Do so, and we are friends no longer.' 'How can you exact any such promise as that?' 'Because I am within my right in exacting it. I make a bargain with you, Walter. For two years from now Thyrza remains under my guardianship. At the end of that time, you are at liberty to see her. I give you my word that neither directly nor indirectly will I seek to influence her affections as regards either you or Grail; I shall never speak to her on such subjects, nor will any one with whom I have authority. Is it agreed?' Poor heart, again beating out the seconds! 'Will Grail know where she is living?' 'He will not. She must see her sister from time to time, but it shall be away from her ordinary dwelling, and Thyrza will understand the conditions. I shall offer her no explanation; it shall merely be my desire, and if she prove untrustworthy in this small matter, I think you will admit that no harm has been done--you and I will only have a new light on her character. It is very simple, provided that we two can trust each other, and that Thyrza is what you think her. I need not say, by-the-by, that she will not be living here; you can freely come to me as often as you please.' Would he never reply? 'For two years? That is a long time.' 'Not at all, the circumstances considered. Are you afraid of submitting your love to the test?' 'You asked me to trust you implicitly. It is a great thing, you being my enemy to begin with.' 'Your enemy? Well, then, your enemy; and still I ask you to trust me. I have never yet betrayed man or woman, Walter.' 'Never; that I know well! Forgive me. On this day, this day of the month, two years hence, I may go to her?' 'On this day of the month, two years hence. Is it a bargain?' 'I agree. Thyrza could not be in safer keeping.' He went on: 'What a load you have lifted from me! If that suspense had continued much longer, I don't know how I should have borne it. And you were with her in her illness? Tell me about her. Was she gravely ill? Tell me where you found her.' 'No; it is needless. I am a bad one to hear love confidences; I get impatient, and am apt to be satirical. I shall never talk to you of Thyrza.' 'But if she falls ill again, I must know.' 'I hope for better things. Tell me just one thing, before we change the subject. What is your opinion of her sister? What do you really know of her?'