She smiled a little, overall happy but really close to the was Jealousy. I feel like she woul let them date first and they break up one day and she'd like help patton heal and when he does just be the best she can be and hope that she would get a chance
But see they're not together yet is the thing-he likes Leon, but as far as he knows Leon doesn't like him back-Patton is oblivious-so like if she were to move in on him quickly enough...
"B-but...it's...it's just a dumb crush, y'know...?"