What on earth does this mean?

Is this even a joke? It’s from something called ‘Wholesome Comics’ but I am just full on confused.

What

Why can't they risk it?

Found on r/tumbler

Brother sent this to me.. dont get it.

Is this a Seinfeld reference??

Esplain

Help, i completely missed the joke.

I'm slow

I like norm McDonald, but is this like a reference or something

I don't get it