What for?
There are very many reasons for starting or continuing learning English language – to begin with, the truisms that in nowadays world doing without knowledge of foreign languages is undoable, finishing at expanding one’s knowledge simply for pleasure.
Apart from the practical benefits from being able to speak English, such as feeling at ease in contacts with foreigners, possibility of taking up a job abroad or communicating with workmates on everyday basis, there are plenty of positive ‘side effects’ such as: