Unknown to Ava, Ash was consumed by nervousness. He hadn't anticipated that she desired to take their kissing to the next level and go all the way. As he kissed her in return, it was partly fueled by the courage he borrowed from the wine they had shared without much thought.
Now devoid of the influence of alcohol, Ash found himself sweating profusely, consumed by anxiety about whether he was doing things correctly. While he was familiar with kissing and making out, anything beyond that was undoubtedly foreign territory for him.
During his teenage years, Ash had experienced a few casual flings. However, as his feelings for Amy grew stronger and transformed into love, he made a conscious decision to distance himself from other women, fearing that his involvement with them might potentially deter Amy.
When he heard Ava say she wanted more, he slid his hand into her undies reaching for her jewel but to his terror, Ava flinched.