Here's what doesn't add up. You've been seeing her for three months. You text every day, you've met her friends, you spend most weekends together. It looks exactly like a relationship. Nobody's called it one, and nobody's asked why not.
The conversation that would resolve this takes ten minutes. So why hasn't it happened?
Because both of you are doing the rational thing.
She wants to know where this is going. She could ask. But asking has a cost: you might say you don't want a relationship, which ends it. She risks looking like she's pushing when you weren't ready to be pushed. She could lose what she already has, which is a lot. So she waits.
You're not sure what you want, or you know but aren't in a hurry to say it. Either way, you're getting most of what a relationship looks like without having committed to one. There's no upside to forcing clarity. So you don't.
Neither of you has a dominant reason to move. She has the most to gain from clarity but also the most to lose by asking. You have the least to gain from clarity and no incentive to offer it.
Over time, routines form. Same nights, same contact. Small adjustments get made without agreements. The longer it goes, the more it costs to ask: not just "do you want a relationship?" anymore, but "what has the last three months been?" That's heavier. Asking gets harder as the stakes get higher.
There's a version that looks like progress but isn't. She becomes easier to be around: faster replies, always free, fewer moments of friction. She's reducing the cost of the arrangement for you, which can feel like things getting better. It isn't. If she later asks for more, you might experience it as her raising demands on something that was already working. The terms were never set, so there's nothing to renegotiate. But it will feel like renegotiation.
Dominated strategies
Reading her continued presence as a sign she's fine. She keeps showing up because asking carries more risk than waiting, not because she doesn't want more. Presence without asking isn't agreement.
On her side: becoming easier to be around in hopes of earning commitment. This reduces your cost, which reduces your incentive to decide. More investment from her without a corresponding ask from you lowers the pressure to define anything. It doesn't raise it.
Giving a soft answer when she finally asks. "I like what we have," "let's see where this goes." This works once because the alternative for her is losing you. But it establishes a pattern: vague answers buy time, so more time passes. Eventually she stops asking, not because she's resolved anything, but because she's learned what asking produces.
The move that changes the structure: name what you want before she has to ask. Not because it's kind, but because staying quiet while collecting the benefits of an undefined arrangement is a choice. If you don't know what you want, saying so out loud is different from dissolving the uncertainty in the drift.