"Very well, then; I'll concede a point. If you really think you're taking a mean advantage of her, when she proposes to you tell her all about yourself--just the sort of a chap you've been. You needn't mention our agreement, however. Then if she wants to drop you, I'll have nothing to say." "Thank you for nothing," said Duncan bitterly. "A bargain's a bargain. I gave you my word of honour I'd go through with this thing, and I'll stick to it. But I tell you now, I don't like it." "Oh, I know how you feel, Nat. But I _know_ that some day you'll come to me and say: 'Harry, if you had let me back out, I'd never have forgiven you.'" "All right," said Nat impatiently. "I presume you know best." "You can bet I do. And now I'd like to meet old Graham." "I'll take you right up--no, I can't. Here comes a customer. But you just go through that door and upstairs; he'll be in the laboratory--the front room--and he knows all about you. I'll join you just as soon as Tracey gets back." XIX PROVING THE PERSPICUITY OF MR. KELLOGG A customer came and went, and then Nat noticed that twilight was beginning to darken the store. Though the hour wasn't late and the evenings were long at that season, the windows faced the east, and there were huge, overshadowing elms outside--just then heavy with luxuriant foliage; so dusk was always early in the room. It was one of Nat's axioms that a store, to be successful, should be always brilliantly lighted. It was a bit expensive, perhaps, but in the long run it paid. For that reason he installed electric light as soon as he felt the business could afford it. Now he moved to the windows and switched on the bulbs behind the huge glass jars filled with tinted water. Returning, he was about to connect up the remainder of the illuminating system, when Josie, entering, stayed him. Later he was glad of this. "Nat..." He knew that voice. "Why, Josie!" he exclaimed in surprise, swinging about to discover her standing on the threshold--very dainty and fetching, indeed, in one of the summery frocks she had brought back from New York. She moved over to him, holding out her hand. He took it with disguised reluctance. "Where's Tracey?" she asked with a look that first held his eyes, then reviewed the store. "This is his afternoon off," Nat reminded her. "Then you're all alone?" she deduced archly. "Oh, quite...." "I'm so glad." She sighed and dropped into a chair by the soda-water counter. "I wanted to see you--to talk to you alone." He bit his lip in his annoyance, shivering with a presentiment. "What about, Josie?" "About Wednesday night--after prayer meeting. Why didn't you wait for me?" "Why--ah--I had to get back to the store, you know--there were some cheques to be made out and sent off, and I'd forgotten them. Besides," he added on inspiration, "you were talking with Roland and I didn't want to interrupt you." "So you left me to go home with him?" "Why, what else--"