Phone calls or texts; which is best for a relationship?

Which mode of communication is best for a relationship or marriage to thrive?

ncG1vNJzZmivp6x7scHLrJxnppdkuaqyxKyrsqSVZL%2BmuMCtoKimo522sb%2BMsJydnJmjtLR7zqmgp6Gfo3qxu8ulZKmgn6Oybq%2FApaOsZZ%2BnerWx162qZq%2BYnrCpecisZJudo6l6p7vRZphmqpWhrrW1zqeqoaGgZLqyuJdtpHI%3D