Lea had to take her hands off Caius's head so she could shrug off her bra and as she did, she became especially aware that she was the only one of the two of them with her upper body naked. She worked quickly to rectify that. Quickly but not at all calmly.
Her body trembled with anticipation, causing her hands to shake so much that she struggled with the buttons. Somehow, it warmed her heart to remember this was not the first time she had experienced this difficulty. She could still remember herself and Caius together in her office where she had struggled in a similar way.
In any case, she eventually undid every button and then shoved Caius's jacket and shirt off his body at the same time, largely due to impatience. Caius obliged. He was feeling impatient himself.
