I think we have different expectations.
PEN-so ke AB-bia-mo as-pet-ta-TI-ve di-VER-se — stress on 'pen-', 'ab-', 'ti-', 'ver-'. 'Aspettative' has five syllables.
Naming a compatibility issue — different expectations are a common source of relationship friction.
'Penso che abbiamo' = I think we have (present indicative after 'penso che' — standard in contemporary Italian). 'Aspettative diverse' = different expectations. Naming the problem specifically (expectations) is more productive than vague 'we're different'.
Vogliamo cose diverse?
Do we want different things?
The fundamental question of compatibility
Non siamo sempre allineati su quello che vogliamo.
We're not always aligned on what we want.
'Allineati' — aligned — is modern relationship vocabulary
Forse ho delle aspettative che non ti ho mai detto.
Maybe I have expectations I've never told you.
Taking personal responsibility — your unspoken expectations are part of the problem
Naming relationship problems with precision ('aspettative diverse' rather than generic complaints) is considered emotionally intelligent in Italian psychology. The collaborative 'pensiamoci insieme' (let's think about it together) is the Italian way of transforming a problem into a shared project.