It did not shock him when Soohyun had noticed it.
Seeing how she was unlocking her true potential now, it was not surprising when Soohyun was able to sense how he was feeling; It was considered quite normal for her to sense his emotions.
Han Minhyun was not the one who was used to opening up to other people, and being well aware that he will only be worrying Soohyun once she got to find out about it, he started thinking of a plausible excuse.
The barrier around the mansion was attacked constantly, and even though the attacks were not strong enough to be threatening, it did not mean that Minhyun will not be suffering from the impacts.
In this way, Minhyun could be sure that the attacks were made by those from the Blue Clan, and the traitor had not made his attack yet. Minhyun was waiting for that to happen.