What's wrong with floating objects?

What's wrong with floating objects? I have created and array and matrix class, and I play with reference counting. Sometimes I need to create a temporary object that I free right away after some manipulation, and I always get gobject to complain that ...

Gtk-WARNING **: A floating object was finalized. This means
that someone
called g_object_unref() on an object that had only a floating
reference; the initial floating reference is not owned by anyone
and must be removed with gtk_object_sink() after a normal
reference is obtained with g_object_ref().

Why would I want to sink it? Can anybody explain the logic behind it? It's not clear to me from the documentation, and it's not practical for my application. Thanks!


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