英语句子修改.I will go on a diet to lose weighBecause,the first,i

I will go on diet to lose weight.
The reasons are: Firstly, I don't think lacking exercise causes most people to get fat. They get fat because of their unhealthy diet --like eating too much food with high fat content.
Secondly, I think doing exercise requires hard work and patience, and that's what I am short of.
Thirdly,I don't have enough spare time to do some sports, as I am fully occupied with my studies and work.
Finally, I prefer a healthy diet to doing exercise in order to lose weight. So I will go on diet.

先说开头部分
Because, the first, i don't think most people get fat is because they lack exercise. They get fat because of their unhealthy diet, like eating too much high-fat food.
这里用了3个because会让人感...

I will be on a diet to lose weight, but the problem is which method will be suitable for me. There are so many ideal way to be on a diet, and the most popular ways are exercising diet and healthy-eat...