As usual, some of these are just there for the fun of it. For example, when rich people all start doing the same thing. That could certainly be a sign of something bad, but on our list we just put it there because we felt like it needed some comic relief, but by now you should know the drill. Other things though, are very, very, very serious. Take the one about your depressed friend becoming all cheerful out of the blue. That can be a very serious sign. Many times when people have decided to commit suicide, their mood actually improves like this. Needless to say, just make sure you don’t take the whole list as a joke. With that said, these are 25 Random Signs You Might Want To Pay Attention To. Featured Image: pixabay Note: Birds will first change their song to alarm calls. They typically only stop singing once the predator is right on top of them. Note: This is why doctors are taught to take it very seriously when someone believes they are about to die. Note: Numerous people died in the Sri Lankan tsunami because instead of running to higher ground, they ran out to collect dead fish.