Trust me. I'm a professional. lol
[spoiler]But if you do actually need help, I'll seriously help you. I'm not just a funny guy. I'm a funny, helpful guy.[/spoiler]
Well tap on the post by the user you want to follow. Hit the "..." on the right that pops up. Go to "Author's Profile". Hit the top right thing that's next to the message icon and tap "Follow".