There are several reasons a person could want to change a recipe.
1. To make a recipe lower fat. If you are watching your weight, there are a lot of substitutions you can make to a recipe to make it lower in fat. Cut the butter in half, or substitute applesauce for oil when baking. Use skim milk instead of whole milk. There are many little things you can do to make a recipe healthier.
2. Avoid allergens. If your favorite brownie recipe has nuts, but you are afraid someone with a nut allergy might be eating your brownies, leave the nuts out. You can always omit things from your recipes that are common allergens.
3. Go gluten free! Many people are currently avoiding gluten for health reasons. You can substitute gluten free ingredients for your normal ingredients. Tapioca flour or potato flour are options you can use in baking that do not contain gluten.
To have one that is easier to spell.
Someone might not want their name in an obituary if they do not wish it to be known that they are related to the person who died. This might be for family reasons or work reasons.
Might want to change the battery.
Their appearance might change, and they might be less emotionally stable.
Use 1/10 of each ingredient in the recipe. While this is mathematically feasible, it is not always feasible to reduce a recipe to that degree. It might be best to fix the entire recipe and share it with friends or freeze some.
5 reasons why a person might choke is because they are talking with food in their mouth,they are eating food to fast,they are packing their mouth with too much food, sorry that's all I can give you
A person might buy party favors for any number of reasons. In western culture though, the most popular reasons are to thank party guests for attending or to give them a memento of the occasion.
You might call that person an ascetic, or an eremite (hermit).
There are many reasons why someone might change the time on an event. This may happen to resolve another conflict for example.
Change the subject, distract the other person, excuse yourself.
The are very few reasons why a person might need forehead surgery unless it was to correct a congenital malformation of the skull. However an individual may wish to have forehead surgery for cosmetic reasons in order to increase or decrease the hairline.
There are many reasons why an organization employ might change management consultants. An organization employ might change management consultants if the management consultant they first hired was not properly helping the organization solve business problems.