Rutch,if your fiancee has already proposed marriage to you then he is serious about the relationship,so three years is nothing,its the blink of an eye to wait considering your going to spend the rest of your life together right?Any right minded individual realises a marriage is a partnership,both working towards the same goal,the same purpose,the same aim dont you agree?If he supports you now in your endeavours to study it also benefits him as he has a multi-skilled educated wife Pick a subject your interested in,find out about the courses,and those three years will pass very,very quickly,remember when you were 15?Seems like yesterday right?Likewise when your 21 and have the visa in your hand you will realise how fast time sometimes goes