The Messenger of Allah (sal Allahu alaihi wa sallam) would pray: “O Turner of the Hearts, keep my heart firm upon your religion. (Ya muqallib al Quloob, thabbit qalbee alaa deenik.)” [Tirmidhi]
If there is something or someone you should be loving but don’t, or there is something or someone you should not be loving but do, then ask Allah – the Turner of Hearts – to turn your heart in the right direction.
No one but Allah can change hearts; Him between Whose fingers are the hearts of mankind.