channel exposure

Has it ever happened to any of you guys? You're on a roll, perhaps you recently made a reboot, and things are going well! You're gaining views and subs, people are commenting on your videos and you're improving every day. But then all of the sudden, the views stop coming in. And you're no...

What I mean by that is, do you think there's a way to get more people checking out your channel by you commenting? I don't mean spamming and self promoting, I mean actual commenting. Maybe commenting on other YouTubers in your niche's videos and really just on videos in general. Maybe someone...