First time anal

hi gays, i'm 24F and i wanna try anal with my boyfriend for the first time.

my irl gay bro told me i should be good to go if i go number 2 that day and then douche an hour before. i did as he told me but idk how to know if im ready and hes not picking up the damn phone. so basically, please if someone sees this can you quickly help a girl in need