So I just read down to the bottom waiting to see the answer - common interests - but didn&#x27;t.<p>It&#x27;s that easy. Find something you love doing, and you&#x27;ll inevitably find and meet like-minded people. You&#x27;ll naturally gravitate to one or more in that community and the seeds for friendship awesomeness are yours to nourish and grow.<p>Personal experience has yielded 20+ year friendships by skydiving, scuba diving, radio control, and martial arts.