It has been just over a month, and I have been enjoying the sweet/fruity flavors. I have been using 16 and have a lot of flavors, and only a few in zero. I am using tanks and cartos. I have tried dripping and that is really harsh to me, but I am probably doing something wrong. I get so sleepy on zero, so I prefer to use it only at night. I am open to any advise...thanks.