His eyes widened in shock. All this time he thought she was cooped up depressed when she was training this entire time, he felt ashamed to be the older sibling because he hadn't picked up his sword since that day.
Valerie had grown about three inches since the last he saw her and she had gained a little bit of muscle mass too. He berated himself for thinking someone like her would show despair that way, she was an action person not an emotion's one.
At his disturbance she didn't stop what she was doing, she didn't even look up to see who it was she just continued with her physical training like no one was there.
Henry decided to wait until she was done, they needed to talk about everything. It was time for her to know of the happenings around the kingdom that's how he was trained to rule anyway, make decisions with his sister since she would be the muscles.