ponyboy- he loves your eyes. whenever he gets the opportunity, he loves to stare into your eyes.  he also loves it when you read to him. 

sodapop- he loves your hair. whenever he kisses you, he loves to run his fingers through it. he also loves to see you talk about something you're passionate about.

darry- he loves your hands, since he likes to hold them whenever he can.  he also loves it whenever you hug him. 

johnny- he loves your smile. he always tries to make you smile, since it makes him happy to see you happy. he loves when you reassure him after an episode with his parents or anything else.

dallas- he loves your body as a whole. he also loves it whenever he makes you blush, or whenever you get flustered. he thinks it's cute to see you mad.

two bit- he loves your laugh. you always try to laugh at his jokes, and whenever you do, it brings a smile to his face. he also loves it whenever you surprise him.

steve- he loves your lips, since he loves to kiss them (a lOt). speaking of kisses, he loves when you visit him at the DX and kiss him (in front of soda and the others).