Maybe someone can help me.I have no problem at all using my chest voice,and though I use it less I can sing in an acceptable way using my head voice too.The problem lies in the fact that I have an hard time switching from one to the other.I can do it,but it doesn't flow.It's more like I stop for a second and then get back singing using my head voice.When I have to switch from head to chest is easy.Chest to head instead doesn't flow.