No, it is not bad to eat bananas and eggs together. In fact, combining bananas and eggs can make a delicious and healthy breakfast. The protein in the eggs can help keep you feeling full and satisfied, while the bananas can provide essential nutrients like potassium and fiber. However, it's important to note that some people may be allergic to eggs or bananas, and if you have any concerns about your diet or food allergies, it's best to consult with a healthcare professional.