Fourth day in Lisbon

I seem to have a ongoing problem. I want to do things with other people and not just be alone. Whenever I try to do things that other people are planning for tomorrow, the other people will have changed their mind the next day. They won’t go. If I don’t do what they are planning, they will invariably have the time of their lives.
Yesterday, several people planned to go to the beach today. Okay, so I will skip the day trip I was interested in, and go to the beach too. It should be great with multiple people.
Guess how many were still interested this morning.
I still went. But I didn’t stay as long.
A beautiful Italian woman did follow me home from the train station. She needed a place to stay and was willing to go to my hostel even though I thought it was already full. It was, but she was able to get connected and find a place to stay.