Japanese phrase of the day - Huge crush

Japanese phrase of the day 

僕、彼女にかなり熱を上げていたんだよな。

• 僕 【 ぼく】 (n) (male) I
• 彼女 【かのじょ】 (pn) (1) she; her; (adj-no) (2) her; (3) girl friend; girlfriend; sweetheart; (P); ED
• かなり (adj-na,adv) considerably; fairly; quite; KD
• 熱を上げ 《verb stem》 熱を上げる 【ねつをあげる】 (exp,v1) to become enthusiastic; to have a crush (on);

I had a huge crush on her