Just rate the person's avatar above you out of 10.

Example:
Person 1 - 6/10
Person 2 - 4.5/10​

 

10/10 c: you're welcome

 

Maybe change it to a comment instead of rating?
Anyways, 10/10

 

I vote yours 7.5/10

 

Oh yes, 10/10

 

7/10 alsnfofkfndmdpsj

 

9/10 needs more potatoes

 

11/10
Qt

 

10.1/10.1

 

9000/10 ;)

 

8/10, or 4/5, or 80%, or 0.8, ur choice

 

0.000000000000000001/0.00000000000001

 

9.9/10 :3

 

9.5/10 :p

 

10/10.

 

Yuss!

 

8/10 it's aight

 

9.9/10 :P

 

10/10 LOVE IT