There is a lot of nutrition information out there. A lot of incorrect and extremely controversial information, which can be confusing and frustrating if you do not know how to pick out credited sources.
Precision Nutrition has dedicated years to research and coaching and does a great job of giving you the facts about foods, vitamins/mineral and then providing some recommendation.
Check out this article on Dairy. It is long but you can skip the science parts of it if you just want to find out how it will affect your fitness, weight loss, or how to make the decision if dairy is right for you.
Next on the 2018 challenge is the pull up. Time to check in to see how close you are to your goal and make a plan for how you are going to reach it.
Below are a few of my favorite exercises that will help set you up for success.
Prone Kettlebell row with isometric hold
TRX Row: The flatter the body is the harder the exercise is.
Assisted Pull up