Kavyadarsha 2.275

2.275

preyaḥ priyatarākhyānaṃ rasavad rasapeśalam &
ūrjasvi rūḍhāhaṃkāraṃ yuktotkarṣaṃ ca tat trayam //

The 'affectionate' (preyas) is the declaration of something deeply dear; the 'impassioned' (rasavat) is charming through aesthetic sentiment;
and the 'vigorous' (ūrjasvin) has an established pride of self. These three are joined with excellence.