Why it often gets louder as things get better
Counterintuitively, relationship anxiety frequently intensifies exactly when a relationship starts going well, because deepening closeness raises the stakes of potential loss — the anxiety isn't responding to a red flag, it's responding to how much there now is to lose.
The reassurance-seeking cycle that keeps it going
Asking a partner to repeatedly confirm their feelings can quiet the anxiety for a few minutes, but it tends to need refeeding soon after, which slowly trains both people to treat the relationship as something requiring constant proof rather than something that can just exist.
How to tell if it's anxiety or an actual red flag
Anxiety tends to be generalized and follow you into multiple relationships regardless of who you're with; a red flag is specific to this particular person's actual behavior — the tell is whether the worry existed before this relationship or is a direct response to something they've done.
What actually reduces it over time
Practicing sitting with the uncertainty without immediately seeking reassurance — even briefly — tends to build tolerance for it, the same way exposure works for other forms of anxiety, rather than trying to resolve every worry the moment it appears.
This describes a common anxiety pattern, not a verdict on any specific relationship — if the anxiety is severe, constant, or tied to a past betrayal or attachment wound, a therapist can help address the root cause far more effectively than reassurance from a partner ever will.
Knowing this happens in good relationships too is reassuring in theory. Figuring out whether your specific worry is about this person or an old pattern following you in is the harder, more useful question. Trace where this worry is really from, in OLENRI