True or False: "Il ne faut pas" is used only to express what is not necessary

How to conjugate infinitive verbs to future tense in french? with examples pls.

Could someone who speaks french look over some text i wrote to see if it is correct? my meal: je vais manger les 4 morceaux de poulet mccroquettes et le biscuit de l'omrm aux morceaux de chocolat. je vais boire l'eau dasani. le repas contient 330 calories.my friends meal: mon amie va manger le wrap-éclair au poulet grillé avec sauce chipotle et le biscuit de l'omrm aux morceaux de chocolat. ils vont boire le jus d'orange minute maid. le repas contient 570 calories.i am ordering items from mcdonalds and stating how many calories are in each meal.

May all the sweet magic of christmas conspire to fill every desire..❤️ merry christmas! ❤️_❤️