How do you know if your losing a best friend?

if you are losing interest in the friendship... sometimes you can be very "involved" mentally,but you might be losing interest yourself.They also may start to reveal their loss of interest,but...

best friends in reality are forever. some other types of friendships do end sadly.Whoever stays around in tough times,even when it's hard to be around that person is a best friend. Some kinds of friendships have a lot of tough times that makes them stronger