Imam Ali (AS) said, No commandment of Allah, the Glorified, that must be obeyed, comes but that it seems unpleasant [to the carnal soul].
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : ما مِنْ شَيْء مِنْ طاعَةِ اللّهِ سُبْحانَهُ يَأْتي إلاّ في كُرْه
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Nahj al-Balāgha #813You should know that every obedience to Allāh is unpleasant in appearance while every disobedience to Allāh has the appearance of enjoyment....