Young Brady says to his friend, “What do you want to play at…

Yоung Brаdy sаys tо his friend, "Whаt dо you want to play at recess today, war or forts?" His comrade, Deion, replies, "Why don't we try something different today and play with the girls?" Completely aghast, Brady yells back "Are you crazy? Girls have COOTIES!" Which stage of personality development is Brady likely in, according to Freud?