Some of the things that a person should do are complimenting you and being there for you whenever you need him or her. He or she should also buy you gifts, protect you and be proud of you whenever you are with your friends.
frequently touching in a nonsexual manner. listening and looking at your loved one's face/eyes when they talk. asking for their opinion and actually considering what they say. random calls during the day when you aren't together just to say hi or I love you. letting them know you value them and what they say and do. showing appreciation for what they do for you. leaving little notes/ presents around for them to find. making a special meal for them or taking them out when you know they have had a bad day. letting them vent their frustrations and not judging them when they do. not lying to them. plan time together to do whatever they want to do and not complaining about it if you don't like whatever it is. share yourself. let them know how you feel, what you think, what moves you. share your special things with them. do things for them that you would like to have done for you.