Answer:
Well, this is to be because if you have a long term relationship, that right there says that you are happy with your partner. Furthermore, as you are in your late adulthood, you tend to get bored and not wanting to have anything to do with that. Hope you find this helpful!
A. remove contaminants from people and equipment
decontamination: the process of cleaning an object or organism from contaminants and/or hazardous stuff/chemicals
In the example that a bread says it is vegan on the packaging that would mean that there is no animal products such as meat, dairy, or eggs. In the example that someone says that they are vegan that means they eat no animal products at all. This could be for a diet, health reasons, or maybe they just don't want to eat animal products.