We* [or They] are amazing together, and I love you is an English equivalent of 'Si sono sorprendenti e ti amo'. The reflexive 'si' means 'herself, himself, itself, oneself, ourselves, themselves'. The verb 'sono'means '[they] are'. The adjective 'sorprendenti' means 'surprising, astonishing, amazing'. The conjunction 'e'means 'and'. The personal pronoun 'ti' means 'you'. The verb 'amo' means '[I] am loving, do love, love'. All together, they're pronounced 'see SOH-noh sohr-prehn-DEHN-teh eh tee AH-moh'.
*The precise choice of 'we' or 'they' depends upon the context. The literal English equivalent is 'they'. The reflexive 'si'tends to relate to the third person singular [he/she/it] or plural [they]. But it also may mean 'oneself', and even 'ourselves' in regional Italian.
Io vi amo per sempre e sempre! Io sono sempre qui per voi! in Italian means "I love you forever and ever! I'll be here for you!" in English.
Ti amo! Sono italiana! in the feminine and Ti amo! Sono italiano! in the masculine are Italian equivalents of the English phrase "I love you! I'm Italian!" Context makes clear which form suits. The respective pronunciations will be "tee A-mo SO-no EE-ta-LYA-na" in the feminine and "tee A-mo SO-no EE-ta-LYA-no" in the masculine in Italian.
Ti amo! Come stai? in Italian means "I love you! How are you?" in English.
Ti amo, madre! in Italian means "I love you, Mom!" in English.
Ti amo tanto! in Italian means "I love you so much!" in English.
Ti amo troppo! in Italian means "I love you too much!" in English.
Non amo nessuno in Italian means "I don't love anyone" in English.
Ti amo da morire in Italian means "I love you to death" in English.
Amo la mia ragazza in Italian means "I love my girlfriend" in English.
Bambino, ti amo! in Italian means "I love you, baby!" in English.
amo Italia/ amo l'Italia
"I love you!" in English is Ti amo! in Italian.