Yes you have probably got over the worst of it. I also stopped cold turkey when dd2 was 19 months, it was the only way to stop. My hormones were all over the place for ages, then loads of my hair fell out (but not so much that anyone else noticed).
Might not happen to you, but just in case (forewarned is forearmed and all that), when I stopped feeding DD cold turkey, I was fine for a week. Then suddenly I got very hard breasts - was worried it was mastitis, but it felt different and I got good advice on here from others who had gone through the same. The hardness lasted for another week or so I think; when it got really uncomfortable I had a bath and hand expressed a tiny bit just to relieve the pressure.
This might not happen to you so I hope you're over the worst of it!