Which one works more in this paragraph?
“Ruby was thinking hard, too hard for her own sake. She wanted to talk with him but it seemed like she wasn't able to. She wanted to caress his hand, to show him how much she cared about him. She was desperate for something so banal, she thought how absurd was the situation I can touch him right? I mean we're a couple, we're in a romantic relationship...so...why, even when I touch him, I feel like I'm doing something wrong? However, she hadn't/wasn’t let/letting her emotions show on her face.”
She hadn’t let her emotions show on her face.
Or
She wasn’t letting her emotions show on her face.