Can't get cigarettes off my mind

My first positive pregnancy test was on 12/28/16 and I was so freaked out that I had another cigarette as my husband drove me to Wal-Mart to buy more tests. After 3 years of ttc, I couldn't believe it was positive and I got a little stressed. Only had the one that night and after confirming the next morning, I handed my husband the rest of my cigarettes. I haven't touched one since. People kept saying "it gets better after 2 weeks" then it became "after 6 weeks, you'll barely notice". Yet here I am 10 weeks later and I'm still dying for a cigarette, especially during times when I normally would have had one. Like right now I'm playing a video game and use to chain smoke the entire time. Quitting cold turkey was so hard but I am SO proud of myself. It just sucks when I even have dreams about having a cigarette. Any advice or words of encouragement?! I'd greatly appreciate it. I'm staying strong for my little sea urchin but it's hard to stay focused! Thank you! ❤