Ad-Din (good, righteous deed - act of worship) loved most by Allah Jalla Jalalahu is that which is done regularly. (And in fact the best religion with Allah is Islam)

Sahih al-Bukhari · Book 2 · Hadith 43

حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا يَحْيَى، عَنْ هِشَامٍ، قَالَ أَخْبَرَنِي أَبِي، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم دَخَلَ عَلَيْهَا وَعِنْدَهَا امْرَأَةٌ قَالَ ‏"‏ مَنْ هَذِهِ ‏"‏‏.‏ قَالَتْ فُلاَنَةُ‏.‏ تَذْكُرُ مِنْ صَلاَتِهَا‏.‏ قَالَ ‏"‏ مَهْ، عَلَيْكُمْ بِمَا تُطِيقُونَ، فَوَاللَّهِ لاَ يَمَلُّ اللَّهُ حَتَّى تَمَلُّوا…

Narrated 'Aisha: Once the Prophet (ﷺ) came while a woman was sitting with me. He said, "Who is she?" I replied, "She is so and so," and told him about her (excessive) praying. He said disapprovingly, "Do (good) deeds…