Staying positive and avoiding negative thoughts can be challenging, but there are several strategies that can help. One way to stay positive is to focus on the present moment and practice mindfulness. This can be done through activities such as meditation, yoga, or deep breathing exercises. Another strategy is to surround yourself with positive people and engage in activities that bring you joy. It's also important to challenge negative thoughts and reframe them in a positive light. For example, instead of thinking "I can't do this," try thinking "I can do this, and I will find a way." It's also helpful to set goals and work towards achieving them, as this can give you a sense of purpose and accomplishment. Additionally, practicing self-care and taking care of your physical, emotional and mental well-being is crucial. This can include getting enough sleep, eating a healthy diet, and engaging in regular physical activity. Remember to be kind and compassionate to yourself, and to give yourself credit for the progress you've made. Finally, It's important to remember that negative thoughts are normal and everyone has them from time to time. It's not about never having negative thoughts, but rather about not allowing them to take over and control your life.