I was diagnosed about 5 years ago at the age of 21, they assumed it was type 2 despite my age because the metformin worked at first, but the dose of tablets kept having to be increased and then other tablets added to the metformin. After my blood sugar readings kept increasing dispite me loosing weight, in April this year I was tested for type 1 antibodies and the test was positive. I assume its LADA or similar due to the slow onset.
So I've been on insulin since April, NovoRapid and Levemir (in pens), and I feel much better, dispite a few mild hypos. Apart from having to remember to carry insulin and blood tester with me, and having to test my blood sugar, it doesn't really affect my day to day really. the pens are very easy to use and quite discreet eg for injecting in restaurants, more so than vials I would think?