いたいけもりじゃありません
いたいけ盛りじゃありません
itaike morija arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of いたいけざかり

1. Not in one's prime.; Not at one's best.; Not youthful.

Negative
Polite
Terminal Form
Usually Written in Kana