Web learning may well be your best option if so. You can study as much or as little as you like. You can choose time and place to suit you. You only have yourself to please. The golden rule is little but often.
Language learning demands patience.
Five or ten minutes a day will bring far faster and longer lasting results than an hour or more once a week. The only problem is that language learning is communicative. Unless you are totally dedicated to your task, you may find yourself flagging. Language is for talking, either vocally or in print, for exchanging ideas. In future articles I shall discuss ways of doing this.