why can't it be this time?

hello to all mommies out there! 🙋🏼‍♀️ just wanna share what i am going through right now. i am a mom of two both girls now eldest just turned 8 and youngest was 5 y.o so the things i wanna share was about me trying to conceive again so what i want now is to conceive again for hopefully a boy one me and my new partner was hoping for a baby boy ive read a lot of books and articles online what to eat what to do everything that will help me concieve again because i just turned 29 and i know for a fact im still young to conceive for the third time. hopefully guys you can help me or give me tips what to do. Thanks!