Heading to Dublin tomorrow

Tomorrow, I will be heading to Dublin for the day - visiting an online friend from America staying overnight at a hotel beside the Airport.

However, I am taking precautions;

1. I have the exact trains - to and from Portadown - I'll be on as part of the terms and conditions of my ticket.

2. I will bring my British Passport with me - in case of post-Brexit border checks.

3. I will wear a coat - the weather might still be bad. (It's Godawful, today)

4. I will wear a hoodie underneath my coat - to stop my wallet from being stolen.

5. I only plan to see the guy for about an hour.

6. I have online groceries ordered from Sainsbury's for delivery tomorrow evening - after I return home.

Any other suggestions?