Four months after breast implants, is shooting pain and tenderness normal?

I am four months post op. Have 300cc silicon under the muscle. I still feel tenderness/numbness in nipples and the lower part of breasts (the incision is under crease) At times I feel itchy around the incisions and then there's shooting pains at tms in both breasts, esp on sides. When will I feel totally normal...like forgetting I have implants inside my body? Would my breasts soften any further? Is this the final shape that I see at four months? Sorry, too many questions. Thank you in advance.