Antonyms for the word "wearing oneself out" would include words like relaxed, refreshed, renewed, rejuvenated, reinvigorated, and energized. These words express a state that is opposite to exhaustion and fatigue. They describe a feeling of being revitalized, full of energy, and ready to take on new challenges. To avoid feeling drained, one should ensure that they take regular breaks, eat healthy foods, exercise regularly, and get enough sleep. These practices can help one maintain a healthy balance and avoid the negative effects of wearing oneself out. Remember to prioritize self-care and take time to recharge, so you can perform at your best.