Here's a breakdown:
* Romantic relationships: Yes, "Chellam" can be used affectionately between romantic partners.
* Family relationships: "Chellam" can also be used between family members, like a parent calling their child "Chellam."
* Friendships: It can even be used between close friends, especially among women.
It's important to consider the context and the relationship between the individuals involved when interpreting the use of "Chellam." While it can be a romantic gesture, it's not solely associated with dating.