If you are developing your own characters (perhaps a "Girl #128" in a larger roster), effective romantic storylines rely on three distinct arcs:

Both individuals must have their own internal growth that is separate from the relationship.

Keep an eye on how much the relationship bar moves; different characters may have different scales, meaning one point might "look" like more progress on one character than another. Summary of Key Tropes Storyline Type Key Element Friends to Lovers Shared history and deep trust. Enemies to Lovers High tension and forced proximity. Secret Romance High stakes and the risk of being discovered. Guide :: How to romance 101 - Growing Up - Steam Community

Stories often center on a protagonist dealing with a partner who is overly flirtatious or non-committal.

If you are looking to write a romance story or navigate relationship mechanics in a game, 1. Retro Inspiration: Girls' Love Stories #128

If you are referencing the 1967 DC comic , the romantic storylines typically follow classic "silver age" tropes. A guide to this style of storytelling includes:

In many visual novels and life sims, managing relationships involves a "Point System." If you are trying to "max out" a storyline with a specific character:

Build interest through lighthearted teasing and banter .