I can understand the heart failure! I once grabbed Peppito by the neck as he started jumping from the balcony, four floors down to a busy road.
And another time we were at my parents' house and Peppito was having a supervised walk in the garden, as everyday. This day my parents's dog scared him and he heard another scary noise at the same time. He ran to the neighbour, then disapeared behind some trees. Everybody was looking for him and I really thought we lost him as the main road that crosses the village is only 50 meters from the house. I went inside the house to get some food that he likes...and I found him waiting in my bedroom! In his run he found the bedroom window open and just came back "home", waiting for his hoomans!