Researchers have tried to find out what a friendship really is.
Moreover, being geographically mobile has expanded many friendships which last long.
However, older people are busy and hardly find new friends who have the same interests.
For example, some friends that we find in different places remain our friends for a lifetime.
Overall, having friends can help you live happier and healthier.
Although they found that maintaining many friends has not been possible, social media have provided many opportunities for this.
Young people make friends easier, for example, based on their convenience.
However, it is difficult to make friends with a colleague at work because of less job security.
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