More than analyze you should play over hundreds of them in the openings that you specialize in.
Then you get an intuitive feel for the moves to make and how the game continues into the middle game.
Just analyzing for the sake of analyzing is just busy work if you are not learning to play better.
One old book said to increase your rating then you need to stop ...
But not very many incidents.
In the old days,it was thought that some Russians were forced to throw games at times to help other players that were thought more likely to win the tournament so as to beat other countries' players.