I'm 20 years old, not sure whether my hair is thinning or just have a cowlic

[Mikes95]

I noticed this spot in a picture the other day and started to take more pictures close up. I do have a small spot of what I was told was alopecia on the left side of my head by a doctor when I was about 10. However it seems larger now and I can't tell whether its mpb, alopecia or just a cowlick. Any ideas? Btw all men on my moms side are completely bald but all the men on my dads side have had thick hair their whole lives. Thanks.