Guilt and Grace

Should we feel guilty when we sin? Should we still feel guilty after repenting? Should we still feel guilty in the next life for what we have done in this life? If Jesus has taken all our guilt on the cross then it would seem as if we should never feel guilty. On the other hand if Jesus has taken only our 'actual guilt' but not our 'potential guilt' then why shouldn't we feel guilty even in the next life (or will even our potential guilt be removed there?)?