My BF brothers girlfriend pregnant!!!

Ugh I’m so mad ever since his brother knew we want it a family he went got a girlfriend and now he is a change man supposedly and rubs his relationship like it some competition like I care Welll now she might be pregnant I can’t help it but be so mad I been preparing to get pregnant finish school and now I’m having a hard tome getting pregnant ...she has a little girl from previous relationship so she can be pregnant Gosh I’m mad is like when my sister got pregnant for the 4th time when she knew I want it to get pregnant what’s up w all this women I’m just over it ....life just keep throwing rocks at me :(