Because there was no need, no reason, to protect a person who wouldn't be involved with him anymore at the risk of exposing himself.
Besides, she only interacted with him following the orders of Division Intelligence Unit Three, not out of genuine desire.
As Noland Lee has previously said:
If we could change the time, change the place, change our identities, and meet again, the outcome would naturally be better.
The fault lies in the identities of both parties and the timing of the encounter. After all, who wouldn't be attracted to a gentle woman with voluptuous curves?
Noland was not someone filled with excessive kindness; he did not have the urge to protect Sully.
Therefore, whether it was Sully's pretty face or her ample waist, none could move his heart.
Noland took off his shirt and stuffed it into the thatched pit, blocking the bubbling water surface.
The poisonous gas wafting out of the pit was immediately reduced.
Noland moved to the side of the door, squinting out.