How long do you keep emails/texts?

I tend to keep mine (especially emails) for ages. Most of the time I just can't be bothered to delete them.I'm glad I do keep them, since both the long distance time wasters in my previous post have
_

Norma:
Should I let my 17 yr old daughter go upstate with her boyfriend and his family for a weekend after school ends?
(13 May 2019)

Norma:
She has been dating her boyfriend for 3 months yet has known him for a long time.
(13 May 2019)

Norma:
I have a beautiful, smart, and very caring daughter.
(13 May 2019)

Charise:
Turned on by bf hooking up with teacher?
(13 May 2019)

Charise:
What s weird is I m turned on by it.
(13 May 2019)

Charise:
She s so afraid of getting in trouble.
(13 May 2019)

Charise:
It was 2 months into the relationship.
(13 May 2019)

Charise:
She would be in trouble if anyone found out Because she s still a teacher.
(13 May 2019)

Charise:
She was 30 and he was 18 at the time.
(13 May 2019)

Charise:
I found a year ago he had sex with his teacher.
(13 May 2019)