Pasta is indeed a fattening food, which is why northerners are a little tougher than southerners. Pasta can be eaten, but it should be controlled that rice is the best staple food.
It is obviously unreasonable to be picky about food in order to lose weight. Even if you are a little fatter, you are not picky about food, and your health is at least better than that of picky eaters.
There are many low-calorie things, such as vegetables, fruits and vegetables, recommended vegetables and fruits with low sugar content. Then when choosing food, eat less carbohydrates.
You said you weren't fat, you just wanted to be thinner. It is a bit difficult to reach the standard of thinness from the diet. It's best to exercise more, and the effect will be quick.