Good mood, high life! Life doesn't have to be cool, but you must have an attitude. what's the meaning

"Being in a good mood and enjoying life" means that people should keep a positive attitude and make their lives full of vitality and happiness. "Life doesn't have to be cool, but you must have an attitude" means that people should have their own attitudes and principles, and be clear about their values and life goals, so that they can pursue something in life and live a meaningful life. At the same time, the "cool" here can also be understood as the embodiment of individuality and uniqueness. Having your own unique attitude and style can make people more attractive and attractive. Generally speaking, this sentence conveys a positive and optimistic attitude towards life and makes people pay more attention to their inner world and quality of life.