I immediately liked you.
'Subito' = SU-bi-to, stress on first syllable. 'Simpatico' = sim-PA-ti-co.
Use this to express spontaneous liking for someone you have just met. It is direct but warm — Italians appreciate honesty about positive feelings. It creates immediate intimacy and is a genuine compliment in Italian culture.
The structure 'qualcuno mi è simpatico' means 'I like someone' (literally 'someone is agreeable to me'). 'Subito' (immediately) adds the spontaneity. This construction is the opposite of 'qualcuno mi è antipatico' (I dislike someone). Note that 'simpatico' agrees in gender with the person being described.
Sento che saremo grandi amici.
I feel we will be great friends.
More optimistic and forward-looking
Ho una bella sensazione con te.
I have a good feeling about you.
Intuitive, feeling-based connection
Mi trovi subito alla mano, vero?
You find me easy-going straight away, right?
Self-aware, slightly playful version
Italians are generally comfortable expressing positive feelings openly and immediately. The cultural value of 'essere spontanei' (being spontaneous and genuine) means that saying 'mi sei simpatico' to someone you just met is normal and welcomed, not awkward or too forward. It reflects Italian warmth and directness.