Thank you all for the responses. From what I’ve gathered is I need to eat more food. I’ll try to gain 2lbs per month, continue doing my Athlean-X 7 minute abs routine, and hope for the best :)!
I have been regularly working on my abs for a couple of years (used to do 3x/week for 30 minutes with an app called Six Pack Abs In 30 days.) 4 months ago I stopped taking my GNC Mass Gainer shake...