¿Tu perro sabe cuándo te vas de casa?

[00:00:00]Your dog is a private detective and you haven't even realized he's watching you. Have you ever wondered how it knows you're about to leave the house, even before you touch your keys or put on your shoes? It's not telepathy or magic, even though it may sometimes seem like it. Your best friend has sensory superpowers [music] that humans completely ignore. Today we're going to discover the scientific secrets that explain why your pet seems to read your mind long before you step outside. First, let's talk about smell. Imagine that the scent [music] in your house is like an invisible hourglass for us, but very clear [music] for them.

[00:00:48]When you are present, your personal scent is strong and fresh in every [music] room. However, as the hours pass, that trail begins to fade little by little.

[00:01:02]Animal behavior experts have suggested that dogs can gauge the passage of time based on how much your scent weakens in the air. That's why they know you'll be back at 6 pm.

[00:01:17]At that exact time, your trail reaches a specific level of intensity that they associate with your arrival. But the real trick is in your daily routine. Before you leave, you do little things [music] mechanically that mean nothing to you, but to him they are giant alarms. Maybe you put on different socks, store your cell phone charger differently, or even your heart rate speeds up a little. Your dog is able to notice changes in your hormones, such as increased cortisol. [music] If you're a little stressed about being late for work, they don't just see you, they study you like you're their favorite TV show. You don't need to say a single word. Your body already [music] screamed that you're leaving 10 minutes ago. It's a mixture of love, survival, and an observational ability that makes us feel very small. Click on this video that appears right now to discover more secrets about your dog's behavior.