Heart pieces

Hello everyone, I've been noticing lot's of people on my feed with the '<3' symbol under their name, I want to know what qualifies you for it, I have 1537 heart pieces, like seriously how do you get it, I assume the 'supporter' title means you're a premium member, any information would be great!

The banner i think was given to people who have been really active for a long time. It doesnt do anything its just there I have 21,000 get rekt