[header] How to learn german by immersion [title] Buy learning material-buy an english to german dictionary and a basic german grammar guide. [step] Study these materials as often as possible. [title] Have the desire-most native german speakers feel inclined to speak english when they hear americans struggling with german. 
[step] You need to show your diligence by telling them to speak slowly and in german. In german you would say, " bitte langsam und auf deutsch sprechen ".