Well keep in mind that I'm combining what happened on the island and here into one category, since things see to work exactly the same here. just without the bastard in the Spire Bear with me, there's a list.
Let's see. There was me being pulled back in time originally but still on the island. That put me back to before I was even a thought, let alone born.
Then I got sent back to depression era Earth and ended up fighting in World War 2 before being brought back after almost six years, but only a couple months had gone by on the island.
Then my wife and I were swapped into each other's bodies. We spent about ten months total like that and I ended up giving birth to our two oldest children.
I got a month long break in my own body as a man and then with the current round of craziness am now a woman.