How do you deal with the anxiety of cooking for guests when there's a chance they might not like your food?

Now that mobile phone bans in UK schools are legally required, how are parents supposed to keep in touch with their children on the commute home without giving them an unregulated smartphone?
Why might an astrologer advise against marrying into a joint family, and what are the potential benefits of marrying someone living independently?
Have you ever had a child express long-term life plans at a really young age? What did they say?