Hi Elizabeth! Im in Chicago too...and I have a daughter a year older than you at Uchicago!
You might want to try switching up some of your products to see if that helps. Alot of people on here with your looser curls/waves don't do well with just cowashing. I'm a 3a and I can cowash for a day but then I need to clarify well the next day or it starts to look stringy and oily. I started off using the more expensive products like Devacurl (Still use it between other products sometimes) then started rotating cheaper stuff into my routine and have found a few products that work.
I can't do my hair at night, it just wont work for me and my hair is always a disaster in the morning so I do it every morning. I use to cowash with Suave coconut like you do but I have found that the Suave Ocean breeze is working better for me. I also use it as a rinse out condioner sometimes and it has great slip! Maybe try that one in case your hair is not responding well to coconut.
I like the Devacurl lowpoo but I also love Natures gates shampoos and conditioners (from Wholefoods and completely CG friendly) .
As a styler, my absolute favorite is homemade flaxseed gel with glycerin, Aloe vera gel (also from Whole foods) epsom salt and a bit of honey mixed in. You can find the recipe for Flax seed gel by typing it in to the search engine on here. Everyone on here has their own combination of ingredients that they add to their FSG and its super cheap to make and is the best gel I have ever used! You might find that FSG is not strong enough for your hair so you can smooth a stronger hold gel on top before diffusing.
Other CG gels that I love and are stronger hold are Aussie instant Freeze and Garnier pure clean.
Alot of people on here, including myself, find that products with Magnesium sulfate (epsom salt) help activate and define the curls. Ag recoil has it (but thats rather expensive) or you can do what alot of curlies do and add it to your products yourself.
Hope that helps!