How much bigger is your friends channel exactly? Is your channel even up and running properly because i noticed you only have one sub and one video. Maybe you need a little more meat to your channel. This could be one of a number of reasons though. For example i joined when i had 20 to 30 subs and a few videos. If its not that have you got any strikes or anything against your name or google account? I will say its unusual to wait over a week.
Hey there Wrinxx. We aplogise for the delay. We're currently switching systems over to make the reviewing and inviting process easier. Unfortunately this means we're really backlogged with channels who have requested an invite during this time. We're hoping to have this resolved mid-month but for now, please hang on and enjoy your time here Stay awesome and best of luck on your application