Here's why:
* Faulty Logic: The conclusion that you're a great cook is based on the premise that you make and eat your own lunch. These two actions are not necessarily correlated to cooking skill. Many people can make a simple lunch without being considered "great cooks."
* Overgeneralization: The statement assumes that eating your own lunch is the only indicator of being a great cook. There are many other aspects of cooking that contribute to skill, like:
* Variety and complexity of dishes
* Understanding of flavors and techniques
* Presentation and plating
* Creativity and innovation
To make a more accurate statement, you could say something like:
* "I enjoy making my own lunches and I'm always happy to finish them all."
* "I'm learning to cook more and I'm proud of my ability to make a satisfying lunch for myself."
Remember, avoid making sweeping conclusions based on limited evidence. Focus on describing your skills and experiences in a more nuanced way.