Kenelm Chillingly Book III by Edward Bulwer-lytton

CECILIA stole a shy glance at Kenelm as the two emerged from the fernery into the open space of the lawn. His countenance pleased her. She thought she discovered much latent gentleness under the cold and mournful gravity of its expression; and, attributing the silence he maintained to some painful sense of an awkward position in the abrupt betrayal of his incognito, sought with womanly tact to dispel his supposed embarrassment.

"You have chosen a delightful mode of seeing the country this lovely summer weather, Mr. Chillingly. I believe such pedestrian exercises are very common with university students during the long vacation."