Hi @rkmk107 - profile attributes' very nature is to persist with the visitor-profile. By default the profile-life is 14 days which can be extended up to 90 days.
If you want a single customer's multiple-profiles to sync (if they use more than one machine/browser to login) then consider using mbox3rdPartyId. Here are more details:
https://experienceleague.adobe.com/docs/target/using/audiences/visitor-profiles/3rd-party-id.html?la...