Slowly? Use your mouth very slowly. Slightly touch his lips first with your finger and then lick your lips and then give him a nice big one right away or the feeling will be lost. Try holding his hand in the process and making him touch your stomach. That will always work.
Try closing your eyes when you are kissing him. Maybe that will help a little bit.
Try closing your eyes when you are kissing him. Maybe that will help a little bit.