43 - I'm my own grandfather. What?

Writing time travel fiction is a nightmare.

I tried writing a short story about a time traveller once and had to give up due to the fact that I couldn't keep a grip on the facts.

She travelled back in time just after her seventh birthday, lived for twelve years in the past then returned to when she came four years after she left.
How old is she again?

He just met for the first time a man that he's already killed.

What?

For him this is the ninth time they've met. For her it's the third. However she's aware of all fifteen times they've met due to the fact that the second time she met him was the final time of them meeting and he filled her in.
Run that by me again.

Quite.

So I've been playing around with it in my latest story and I think, I think, I've just caused a temporal causality loop. At least, I may have. I really don't know.

I think the key hope as a writer is that your readers won't be able to keep up either and so will just give in and go with the flow. Hopefully.