Are Universities more considerate of your High School grades or College grades?

Back in middle school, I was that kid whose entire personality was basically just my 4.0 GPA. But when I hit high school, life decided to give me a surprise 'promotion' to Chief Sibling Officer for my two younger brothers.
If you’ve ever tried to negotiate with a 2-year-old or a 5-year-old, you know they’re basically tiny, adorable dictators who couldn't care less about my chemistry study schedule. My transcript has shifted to 3 A’s and 4 B’s lately, mostly because my evenings are spent de-escalating juice-box crises and handling nap-time protests instead of perfecting my notes.
I’m really trying to get my 4.0 mojo back, but I’m a little stressed. Do admissions officers actually see "not letting my brothers burn the house down" as a real responsibility, or do they only care about the numbers? And honestly, once I finally get to college, does my high school GPA follow me around like a ghost, or do I actually get a fresh start?

P.S I promise I wasn't slacking; I was just busy being a professional mediator and activities coordinator. If you've ever tried to explain to a toddler why they can't eat the dog's food while simultaneously finishing a history essay, you’ll understand why I ended up with a few B’s. I essentially traded a perfect GPA for "Senior-Level Sibling Management" skills.

P.P.S I thought this was kind of funny, so tell me if it's not effective. I'm a bit of an attention seeker.😅