Have been feeding successfully for nearly 5 months. Initially had a hard time with the right side badly cracked. Since then it would occasionally feel a bit tender but never really sore. The last couple of weeks it was tender but it's now really painful for the first couple of minutes, like a strong stinging sensation, and a little bit sore between feeds. Does anyone know who this is? Should I just keep going and hope it gets easier again? Is it normal to start feeling pain again at this stage?