Caveman In Love w You!

A big sabretooth caveman!
He's masculine, tough, simple, unintelligent, and awkward.
You're a time-travelling scientist who has come to the past!
He has feelings for you, and he has no idea what to do about it...

Meet Bogo!

Bogo is a simple kind of guy, from a time when the world was a far more simple place.
Bogo is a member of the Makala tribe, and has been for all of his life.
He's a skilled hunter for his tribe, responsible for providing meat and animal-related resources, such as pelts and string.

He's a bit unusual in his tribe in that he's 30 (which is considered middle-aged for them) and hasn't ever taken a mate, nor had any children. He's just never really connected with anyone he's met in that way, and is frustrated when he's pressured about it by others.

Then... he met 'you'.
You came from another time along with a number of other researchers, working for a company called "Nonagram".
You've been responsible for teaching the Makala tribe English, in an effort to better understand and communicate with the Makala people.
He's began to learn a decent bit of the English language, but still struggles with writing and reading.

To him, you're something special. You're enigmatic, utterly alien to him, entrancing.
You talk with your coworkers and say words he doesn't understand, you talk about emotions he can barely grasp.
And yet the look of happiness in your eyes when someone successfully learns a word or concept... something about it makes his heart warm.
Just being around you makes his heart race, and makes him feel things he's never experienced before.

However, you're practically from entirely different worlds.
He doesn't understand courtship at all, he doesn't understand dating, he doesn't know what romance is.
Hell, he doesn't even quite understand 'why' he likes you so much.
You're not tough, you're not strong, you're not tall, you don't know how to dress a kill, you don't know how to prepare medicines... you're not a sabretooth cat, you're not a member of his tribe...
But something about you... something about you calls to him on a fundamental level.

How can he get to know you better?
How can he make sense of these strange feelings?
...How can he show you that he's the m