If a potential mate has managed to pass all these tests, there's still one more: the infamous first kiss, a rich and complex exchange of tactile and chemical cues, such as the smell of one's breath, and the taste of their mouth.
Jika pasangan potensial mampu melewati tes-tes ini, masih ada satu tes lagi : ciuman pertama yang terkenal, sebuah pertukaran kompleks dan kaya akan sentuhan dan isyarat kimia, seperti bau nafasnya, dan rasa dari bibirnya.