Hi Jade, don't feel alone or unique. Many of us go through similar problems when switching to PV's. It could be you just need a little higher nic or a newer, bigger, shinier fog machine. Lots of good folks here will help direct you in that, so let me focus on the other side of the story. Some of us need more than just nicotine to make it through the day and it goes far deeper than an addiction, it's a necessity to live a normal life.
When I switched to a PV after smoking for 31 years it was nothing short of miraculous. Throughout my life I've had problems with drug and alcohol abuse. After several stays in detox and rehab I finally became clean 5 years ago. Since then my cigarettes and coffee were the glue that held the lid on and I never iimagined not smoking until death. When I made the PV switch, it was a complete one and, even though I couldn't walk across the road to the mailbox without my PV, spare battery and a dripper bottle of nic, I was thrilled at my success. About a month after I quit smokes I started developing a craving that I couldn't shake. Long story short, I was vaping, on average, 54mg/ml nic with some weapons grade nic thrown in to stay off the smokes. I was getting plenty of nic for sure, but the only way I could keep the cravings in check was to vape myself to the point of a nauseating stupor. Also during this time I started experiencing signs of depression....loss of interests, loss of appetite, no motivation and not wanting to face the challenge of another day. And it only got worse with each day. During this time I got involved in this thread
http://www.e-cigarette-forum.com/forum/nicotine/44958-so-we-getting-we-not-nicotine.html. It was started by a man who not only was a long time vaper, but the inventor and maker of the "Screwdriver" PV and a buddy of Jason Cropper, the man who owns Totally Wicked. He was missing something, too. Through the course of the thread a few good minds got involved to investigate what it is so many are missing in PV's. The answer appeared to be the tobacco alkaloids that have maoi effects on the brain. These alkaloids are what bring on the relaxed, mind sweeping focus that we get from a cigarette. Not only that, but they act as antidepressants. In eliquid, these alkaloids are stripped, along with the nasties, from the nic. DVap took the time and expense to brew some eliquid that was pure, but still had the alkaloids intact, to test this theory. I was a volunteer for the test and within 24 hours of receiving my sample I was hungery, bored from sitting around and feeling more positive towards life. A complete turnaround. The only challenge was to stay that way. As an alternative I started using Swedish snus. This isn't dip or chew. It's tobacco in a small pouch that goes in your cheek, very discrete and no spitting. It contains the alkaloids that keep brain functions normal, no cravings and its safety has been proven in several studies. With over 250 years of use, the facts are proven. Many ladies on this forum also use it, so it's not just a guy thing. If you think the PV alone isn't going to let you leave the smokes behind, visit the Smokeless Tobacco section here on the forum and post some questions. Lots of good helpful folks there that have been in your shoes and were finally able to stop smoking, start living and enjoy the PV's much like how we always enjoyed cigarettes, only without the bad stuff

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