In day-to-day Tagalog, the simplest go-to is 'Mahal kita' — short, direct, and everyone knows it. I say it a lot to family and close friends, and sometimes to my partner in those small, ordinary moments: over breakfast, in a text, or stuck in traffic together. If I want to sound extra affectionate I’ll stretch it to 'Mahal na mahal kita', which is basically the verbal equivalent of throwing both arms around someone. That one lands when you want to emphasize depth.
If I’m feeling playful or casual I might say 'labyu' (a phonetic take on 'love you') in a message, or mix English and Tagalog: 'Love na, bes' or 'love you, mahal'. For older or more poetic vibes I reach for 'Iniibig kita' or 'Minamahal kita' — they feel formal and a bit like lines from a kundiman or a novela. Even within families 'mahal' doubles as 'dear' in letters: 'Mahal kong anak' means 'my dear child', and the same word also means 'expensive', which always gets a laugh.
Language shifts with mood and context, so how Filipinos say love can be warm and casual, dramatic and poetic, or tenderly formal — and I love that flexibility; it always makes ordinary moments feel sweeter.