Well it says all skills and memories so just explain it to them and hope for the best!.

Uh hello wifey I'm a talking infant. I guarantee this is weirder for me than it is for you.

Okay you need to understand I just got isekai'd but not in the fun way.. you are going to have to teach my parents what isekai is. Then we tell them together.

Edit is italics "for clarity of intent"