we do not share your data with anyone and there are many ways to control the visibility and storage life of your data here.
but the internet is a public space and you should always assume your data could be compromised.
be smart with your password, use tor or a vpn, and use pgp for sensitive communications.
Don't worry you'll here absolutely nothing. I've had all sorts through the door and all sorts seized. It's not worth their while plus it's only weed. They'd probably have a toke with you if they could lol→