εἰ ἔρρωσαι καὶ ἐν τοῖς ἄλλοις ἀλύπως ἀπαλλάσσεις → if you are well and in other respects are getting on without annoyance
P. and V. καθῆσθαι ἐπί (gen.).
straddling: V. ἐμβεβώς (acc.).