Not everyone has the same sensitive spots but you could try light touches to the back of the head, the ear, the side of the neck, the cheek. Run your finger nails down the center of his chest. One of my favorites, which you can do right in front of other people and they won't even know what is going on, is a light stroke down the back of the upper arm with your fingernails, on the tricep muscle - only you and the person being touched will realize that it felt good in a sensual way...give him a smile when you do it so he knows you meant it.
Chat with our AI personalities
depending on how close and how long you've been together. if you've been together for a while and feel comfortable with each other you can try touching near his crotch if comfortable. If not and haven't been together that long just simply putting your hand on the back of his head or on his shoulder.
When kissing a guy, you can gently place your hands on his face, neck, shoulders, or waist to show affection and enhance the connection. Experiment with what feels natural and pleasurable for both of you. Remember that communication and consent are key to ensuring a positive and enjoyable experience for both partners.
Say something about his hair (wow your fringe is int the way, wow its curly today...whatever), and touch his hair.