Well the reason he's so slow is because Isaac always denies it. Though Felix already has suspicion he denies it otherwise and the fact that Isaac hides that he's an Omega is another plus. That's why, it will be explained in the later part anyways so chill mga ate.
FELIX POTA NAMAN AKALA KO NAREALIZE MONG ANAK MO SI BENJAMIN EH. KASO SHET ANG SLOW MO TALAGA BAKETTTT?!!!! (/TДT)/