@Shesellseashells you really shouldn't be getting through that many coils,
I will confess to vaping a fruit / menthol mix for a few years now, I change my coil every 4 - 6 weeks. I vape at 45 watts and get through 4 sets of batteries a day, that should give you an indication as to how much I vape.
If I could physically do mouth to lung, I would see how my tank worked by locking the airflow down, sadly I've done lung hits for too many years and as much as I've tried, I just can't vape any other way.
I've just tried now, while typing this post, locked the airflow down but still lung hit vaped!