Formal:
* Моя любовь (moya lyubov) - This is the most literal translation and is the most formal way to say it. It's often used in writing or speeches.
Informal:
* Моя любимая (moya lyubimaya) - This means "my beloved" and is a more affectionate way to say "my love". It's often used when addressing a female loved one.
* Мой любимый (moy lyubimy) - This means "my beloved" and is a more affectionate way to say "my love". It's often used when addressing a male loved one.
* Любовь моя (lyubov moya) - This is a more poetic way to say "my love". It's often used in songs or poems.
Slang/Informal:
* Моя дорогая (moya dorogaya) - This means "my dear" and is a very affectionate way to say "my love". It's often used when addressing a female loved one.
* Мой дорогой (moy dorogoy) - This means "my dear" and is a very affectionate way to say "my love". It's often used when addressing a male loved one.
* Мое солнышко (moe solnyshko) - This means "my sunshine" and is a very endearing and affectionate way to say "my love".
The best way to say "my love" in Russian depends on the specific situation and your relationship with the person you are talking to.