"With Love" = "Alofaaga mai ia..." (Then you'd put your name, etc)
Tofa
Lo'u alofa
Im not too sure how you say lover but love in Samoan is 'Alofa' Hope that kind of helps!!
O e gaualofa?
'Ou te misia oe' is how you say I miss you in Samoan and 'Oute alafa iate oe' is how you say I love you.
Literally, alofa fa'asaina
Alofa i lou tina.
Alofa i tagata uma
i koam sei me loave
Alofa le fa'atuaoi'ina
Oute Alofa Ia Oe
In Samoan, 'love of my life' is translated as 'alo fa'amasino o lo'u ola'.