What do they mean when they sau love for friends would not be there forever

like you lose your bond with some friends due to like transport or shifting reasons and day after day you lose interest in them because of not talking or meeting dailythen one day they just become memories nothing elsethis is meant by friendship doesn't last longi had a only friend named Himanshui wasn't able to contact him due to some reasons i think i lost him

listen..if you find any user named GodFather ...then pls tell me