넌 내 인생(의) 전부야 (in friendly language for younger person or same aged) Neon nae in-saeng(-ui) jeon-bu-ya 당신은 제 인생(의) 전부에요 (in polite language for older person) Dang-shi-neun je in-saeng(-ui) jeon-bu-e-yo

(전부예요 is spelled correctly)