Don't always look at your weaknesses, learn to go to customer service. People always say, "stupid birds fly first." Have you ever thought about being this bird? Although more stupid than others, but very diligent, the final results are often better than those arrogant students. If you can't, just watch and learn slowly, and don't be impetuous. Always give yourself a hint, "I can do it!" Only in this way can you overcome the present situation. Come on, you can do it!