She doesn't say so--she says HE loves her.

And if she did, we cannot all follow our own hearts." "Why not ?" he replied calmly, looking straight ahead of him: at the bend in the road, at the crows flying in the air, at the leaden sky between the rows of pines.

If she wanted to give him her confidence he was ready now with heart and arms wide open.

Perhaps his hour had come at last.
"Because--because," she faltered, "our duty comes in.

That is holier than love." Then her voice rose and steadied itself--"Lucy's duty is to come home." He understood.