I've got miles to run

A soft way of saying that you are busy and have loads of more important things to do

X:Hey want to come over and decorate the Christmas tree?
Y: Sorry no time for that, I've got miles to run

X: Hey let me call you back later, just got home ....
Y: Don't stress, I know you've got miles to run

Nah, but i've heard of it

What your friend tells you when they got no idea what you're talking about, but they don't wanna be rude

Yooo dude you see that new apple jet pack?

Nah, but i've heard of it

Worst Thing I've Seen All Day

You implore this phrase in multiple applications. For example when something great has happened to you or someone else. Also used if someone does something stupid and you unfortunately had to witness it or hear about it.

Max: Yo I just found out my boy smashed Isabella, worst thing i've seen all day
Pete: Honestly, mans finally got a body

I'm not holding on to you. I've got my entire knee.

I see you’re bored. You are so bored that you even look for meaningless phrases.

Tim: I’m bored. I’ll search “ I'm not holding on to you. I've got my entire knee.“.
Robert: What?

I've been

Not doing good or bad, you're just alive.

"How have you been?"
"I've been"

I've been in the hills

A thing 21 Savage does in order to be alone, and not have to worry about Jake Paul harassing him.

Joe Budden: What do you do in your free-time in order to be alone.
21 Savage: I've been in the hills.

I'm sorry, I can hear that I've made you quite upset.

I'll tell them I never wanted it.
I'll tell them who you are to me.
I'll tell them that I'm safe with you.
I'll tell them...

"That man is my husband, the one person that has always been there for me, the one person that has always kept me safe, the one person who has always helped me through everything... Is the one person I can't talk to. The person I need I'm not allowed to see..."
I'm sorry, we have a duty of care, our primary roll is to make sure you're safe, the severity of these allegations-
"Have you ever done ICE?"
No...
"Well then with all due respect, how can you be the judge on someone's character when you've never experienced what it's like on that day, that mindset-"
I may never have personally experienced it but I have seen, quite closely, the effects of the substance and am very aware of it's effects. I know this is disappointing to hear, but we can't just wave a magic wand and make it all disappear, even if you retract your statement the allegations and severity of the case is so extreme and we have a duty of care to you.

I'm sorry, I can hear that I've made you quite upset.