Overreacting Or Not

Okay So Ill Be 19w Wednesday My SO Told Me He Was Gonna Wait Until He Knew What We Were Having To Tell His “Boys” That He Was Expecting.. We Found Out When I Was 16w That We Were Expecting A Babyboy.. He Still Hasnt Told Anyone About My 2 Kids That I Have From A Prior Relationship & Hes Still Hasnt Told Who He Calls His “Brothers” He Keeps Telling Me Timing But i Just Feel Like Hes Either Scared, Embarrassed Or Just Keeping Us A Secret Idk.. Am I Overreacting?