#redditstories #askreddit #aita #siblingrivalry #parenthoodpride #familytension #competitivefamily #firstparentdrama  When a sibling boasts about being the first to become a parent, it sparks jealousy, frustration, and unresolved tension within the family. This story unpacks how pride, timing, and comparison can turn joyful milestones into subtle power plays—proving that even family celebrations can come with hidden friction.  redditstories,askreddit,reddit,aita,tifu,siblingrivalry,parenthoodcompetition,familydrama,parentingfirsts,jealousysibling,braggingrights,parentingcomparison,familypressure,emotionalfamilymoments,passiveaggressivesiblings,firstchilddrama,siblingtension,unspokensiblingissues,familymilestones,competitiveenergy,parentingdynamics,awkwardfamilymoments