I am certain. We are already aware that there are phenomena that can alter the timeline, this is merely another.

[He would have, but it would have been for sentimental reasons. Sometimes that's the bad thing about growing up in the society he did, you toss out the good with the bad when it comes to sentiment.]

I will be returned to the precise point in time from whence I left. If you are from further down the timeline, I request you not divulge any information.

[Sulu already did and while he can accept that, he doesn't think he'll be able to stop himself from asking if he sees she's been hurt by something that happens.]