Share 'Is 30 to 40 grams enough protein?'

I've FINALLY been consistently eating LFRV for the last month, I'm feeling great and excersising more.  According to Cronometer I've been averaging around 30 to 40 grams of protein.  I'm wondering if that is enough or if I should be get more like 50 grams.  In the past, when I underate and got really skinny, it caused my hair to thin out too and it hasn't ever really recovered, and that was 11 ye…