How do you make your baby happy

How do you all make your baby laugh or giggle. Three months and older when baby is alert I know that you can make a child content change diaper, feedings, but how do you play or be silly what's fun. Sometimes I talk to my baby but remember everything is brand new so I'm just I need your help ladies I was in a abusive relationship put down I used to smile all the time had a amazing personality so many friends but now I'm healing and want your advice how do you ladies have fun relax what makes you happy or goofy?