Since his divine sense was not in use, he had no way of knowing whether there was a second person inside the room.
Once he deployed his divine sense, however, he risked alerting the target. If he went in, he could easily determine whether anyone else was living there by checking the clothing, the bedding, and so on.
"I'll wait until almost dawn before making a move. By then, he should be fast asleep!" Tong Xingyue finally decided.
Chapter 147