Teeto, your cravings are totally normal. They will pass.
Rather than trying to tell you about how good you gonna feel in a few months from now without any cough, how much better everything is going to taste, how much more energy you gonna have and what not, here's an idea that might help you to stick with the e-cigarettes AND help get your mind of whatever it is that's stressing you out:
Check out some mod pages on the forums, visit MadVapes and some of the other vendors that provide online instructables for mods and see, if you can put one together for yourself. It's totally relaxing and very rewarding when you build your own PV. Building it will help you focus on something other than what's bugging you and - depending on the mod that you choose - you could end up with a PV that you can fine tune to your needs, which would render analogs completely obsolete no matter how much stress and how many smokers you've got around you.
It sounds like you are bound determined to stick to e-cigarettes no matter what and I'm wishing you the best of luck. And if you do need an analog ... heck, go for it and don't let that stress you out any further.
Best of luck!