What activities make you feel like you are living life to the fullest?

Every one of us wants to live a fulfilling life and die without any regrets. There are some activities that give us a feeling that we are living our life to the fullest. For me traveling, cooking a new recipe and seeing my family enjoying the dish made by me, giving someone emotional support to make them feel good, and having some alone time to enjoy my own company are activities that make me feel I'm living my life to the fullest. So guys what activities make you feel like you are living life to the fullest?