It's great to see you again as well. I have to admit that I'm not nearly as present or active on this forum anymore either because it seems like I've been beating a proverbial dead horse. It's really kind of sad since we once had such a vibrant support mechanism here. I honestly don't kow what to attribute the de,OSS of this forum.
A couple of things regarding where you are with your weight. First of all kudos to maintaining your loss as well as you have. Secondly, congratulations on recognizing and managing the minor gain you've experienced before it got out of hand. I really think its the secret to longer term success.
I'm sorry to hear that you became iron deficient and glad to hear that you are getting it back under control with your infusion. It's likely to even out and remain manageable if you continue your supplementation. Of course, you'll want to follow up with your labs to be sure all is well and allow for any adjustments that may be necessary. I don't know if you were aware, but I also experienced a low iron event. Mine was due to my own own stupidity when I was donating to the Red Cross, thereby lowering my iron... Not a good idea. At any rate, as you are likely aware low iron can cause extreme fatigue and there are studies that indicate that it does slow the metabolism. Here are some links to some information regarding iron and it's impact on the metabolism:
http://www.livestrong.com/article/464880-can-iron-deficiency-affect-weight-loss/
http://www.wellnessresources.com/weight/articles/stunning_discoveries_regarding_iron_obesity_candida_thyroid/
Wishing you all the best as you continue your journey.
Warm regards,