Keeping the Data book

Do you keep a Record Book (Data book) when shooting matches?  I mean do really keep it?    I mean do you really keep it forever?

                Pvt. Evenson, USMC,  Plt. 142, A Co., 1st Bn,
             Rifle Qualification Day, Boot Camp,  July 16th, 1964.
           1st Relay, Target 78, Foxtrot range, Camp Mathews, Calif.
  U.S. Rifle M-14, S/N #618040   Zeros are 28 clicks elevation, 1 click right
                       Qualification Score:   232/250 Expert
Keeping your record book forever--- is that excessive compulsive behavior --or what?