Different dynamics with my siblings vs. with my parents

Both of my siblings (3 & 7 years younger) are fairly close in age, and they're also very close to each other due to being so close in age. (They're currently 3 and 7 years old.)<br><br>What I think is kind of interesting is that I'm very close to them both, but the dynamics are very different with each of them compared to the dynamics they have with each other. <br><br>Mainly, I feel like I'm a sort of parent to the older one, and more of a peer to the younger one, and they're both more like peers to each other. <br><br>I feel very close to my siblings, and I've had the opportunity to be very involved in their lives, since I've been able to form relationships with them that are very close but are still different from each other.