We sit at work, grinding the granite of bioinformatics, according to official instructions. The letter with the theme "Festing "March" - astute colleagues, in order not to run twice, decided to melt gender holidays. The colleague explodes: his inner perfectionist suggested that if you merge February and March, then March will not work. I was upset and silent, it happens. After a while, he solemnly proclaims: Ready! I am thrilled in anticipation of the results – he had to do something on a joint project. There are four options! And he lists four variants of the reciprocal intersection of two words, with indignation stating that if colleagues can’t “baptize” two months what can be expected from them in scientific terms. Author of a bunch of steep scientific articles with a hill above the roof.