She loves him dearly.

她深深地爱着他。

《牛津词典》

He loves her, and she loves him.

他爱她，她也爱他。

youdao

She loves him unconditionally.

她无条件地爱他。

youdao

She loves him in the irrational way that people who are in love love each other.

WSJ: Gisele's Super-Sized Super Gaffe

She will say nothing bad about her father because she loves him and is cautious about hurting him.

CNN: For Better Or For Worse

Casper Van Dien and Denise Richards are the principal characters, All-American Johnny Rico and the over-achiever girl he loves more than she loves him, Carmen Ibanez.

CNN: 'Starship Troopers,' 'Boogie Nights' on home video