In Buddhism what is love meant to be and how is it shown and can two people love each other?
The Piyavagga &amp; elsewhere refer to at least three kinds of love, namely: 

(i) raga (lust); 

(ii) pema; piya (affection; endearment); 

(iii) universal or divine love &amp; compassion (metta-karuna). 

This is similar to the three kinds of love in Greek-Christianity, namely:

(i) eros (lust);

(ii) phileo (affection); 

(iii) agape (self-sacrificing love).

People that realise the selfless ultimate reality love others with metta-karuna.