Not commenting on whether it's good/bad, but I think it's completely different to your examples. Both of those say "here is context of my past achievements; this is an indication that what follows may be of high absolute quality"
As opposed to the "I am N years old", which is saying "here is context, which doesn't by itself indicate achievement, which may be an indication that what follows is of high relative quality"
As opposed to the "I am N years old", which is saying "here is context, which doesn't by itself indicate achievement, which may be an indication that what follows is of high relative quality"