dialogue: Gabriel: Hi Zuza! A week ago there was your birthday and I texted you wishees but just now I realized I sent them on your old phone number...
  Gabriel: <file_picture>
  Gabriel: so...happy birthday :D!
  Zuza: Oh, thank you, Gabriel :)
  Gabriel: Sure thing :)
summary: Gabriel texted birthday wishes to Zuza's old phone number, so he wanted to correct his mistake.