Extremely depressed 😓

So my cousin recently had a beautiful baby girl (obviously her in picture) and I absolutely adore her, you could even say that I have bonded with her. Well here's why I'm depressed, so my cousin is currently living with our grandparents so she can finish high school with her friends and once she does she'll be moving back to Idaho where her parents are, which of course means that the baby is going with, I love that I love her so much but I hate it at the same time because she's not mine and I can't keep her. And to make it worse is my so doesn't want to have kids anytime soon. *sighs* life can be a beach sometimes