I don’t think you understood the headline. It’s temporal, not casual. More a kind of “slice of life” article. First he eats the chicken, then he grows breasts - presumably the usual way of buying breast seeds, since these days most chicken breasts are GMO and don’t yield fertile seeds.

The real tragedy is the apparent spontaneity of the decision, so he probably didn’t graft onto the right chicken roots too get the plumpest growth.