How to be an Epicurean? That's easy! Start by using his Tetrapharmakon (means the quadruple remedy) to live a happy life, which is the following:
Θεός Άφοβον - God is not to be feared
Θάνατος Αναίσθητον - You don't feel (sic or meet with) death
Τ'αγαθόν μεν εύκτητον - It is easy to acquire goods
Το δε δεινόν ευκαρτέρητον - So is easy to withstand rough times