In John 21, Jesus describes to Peter the path he is about to walk ( I mean the path Peter will take .)
After thinking about this, Peter points to John and says: " What about him? " Jesus says: " If I want him to remain, what is that to you ? You follow Me !"
I take from this that the Lord may have different paths for people. When we find ourselves looking around at that person or that situation, the Lord may be saying to us: " What is that to you ? You follow Me."
Comparison ( frequently) doesn't help when thinking through your life.