I am going through the same exact thing. I used #5(equivalent to pink in silicone) for 3 days post procedure and struggled for last 3days to put it but unable to. This morning I tried for 20minutes but couldn’t and got really sore and discouraged. I talked to Ellen she is very helpful and great. She told me that it can happen, not to be discouraged or disappointed at all and to take it easy for next couple days and just use #4(purple) to do daily and overnight dilation and try #5 when I’m home relaxed on the weekend. I strongly advise you to contact her, I felt so much better after I talked to her.