Dua 203 ☆
أَحَبَّكَ الَّذِي أَحْبَبْتَنِي لَهُ
'Ahabbakal-lathee 'ahbabtanee lahu.
May He for Whose sake you love me, love you.
Reference: Abu Dawud 4/333. Al-Albani graded it good in Sahih Abu Dawud 3/965.