Answer:
cause your a human being and humans have feelings simetimes so it's totally normal and you can also be depressed if you've just gone through a heartbreak
Quality time with them such as invited them someplace, checking in on them, doing their favorite things, just spending time with them so they don't feel as lonely.
Answer:
In statistics, a population is the entire pool from which a statistical sample is drawn. A population may refer to an entire group of people, objects, events, hospital visits, or measurements. A population can thus be said to be an aggregate observation of subjects grouped together by a common feature