Crystals - Mander

Also, all the scientists “accidentally” making the same mistake as the BBC proves that intelligence doesn’t necessitate maturity 😉

What’s immature about it? Penis fencing is a respectable mating ritual among flat worms.
Penis fencing - Wikipedia

I didn’t mean it in a disparaging way. I love some immature humor myself, having a mental age of anywhere between 8 and 69 depending on my mood and the situation 😁