Am i going bald

Hey guys, im 21 years old and it feels like my crowns has started to thin. My dad went bald at around this age and im just unsure if my hair is actually thinning. Fam n friends think its a cowlick, but i feel as if it has gone thin a little, so im not sure :/ Can you guys lemme know what you guys think and if so when do you reckon it will happen.
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Of course, you're not! Maybe you don't have a thick hair, but you are okay!
Here is a photo with an example. This is my husband, he was 23 when he was working for samedaypapers.com, it was such a stress for him and here is the result
So you are not going bald at all
http://lidernews.com/wp-content/uplo...-muzhchin.jpeg