Let's learn about "사랑이야"

사랑이야 : It's love

[other expressions]

- 사랑이다. (to younger people or friends)

- 사랑이네. (to younger people or friends)

- 사랑이야. (to younger people or friends)

- 사랑이네요. (honourific by '-요')

- 사랑이에요. (honourific by '-요')

- 사랑입니다! (formal; honourific by '-ㅂ')

[explanations]

* 사랑 : love

* 이다 : be

* a noun + -이다 / -이네 / -이야 : a non-honourific descriptive form of 이다

* a noun + -이네 + -요 : an honourific ending suffix

* a noun + -이에요 / 입니다 : an honourific descriptive form of 이다 suffix by '-요' / '-ㅂ'