φυλάσσεσθαι
From LSJ
εὐάγωγόν ἐστι πᾶς ἀνὴρ ἐρῶν → every man in love is compliant
Greek > English (Woodhouse Verbs Reversed)
(see also φυλάσσω): beware, be on one's guard, be under guard, beware of, guard against, look out, provide against, take care, take precautions against, take precautions