I know it's a personal thing, but I'd like some advice.
I've been - over the past few months - experimenting with some clothing here and there, and it's reinforced my 'belief' that I'm transgendered. I won't go into all the details as that might be best suited to a blog or something similar, but my feelings have been on/off & kinda strong/weak for about 5 years now. I feel like I'm almost about to hit a brick wall in terms of what I can do to experiment as I still live with my mum (I'm 21, you see), and as such it feels like coming out is the only next step available to me. I've spoken to my GP about it, and he's aware I have these issues, and I'm also due for my first counselling/psych appointment in August (Ugh, don't get me started on that) - So any gender clinics or specialists are at least six/seven months away at this point. My mum doesn't even know I have this appointment, or that I've spoken to the GP about these issues, and this is where things start to - for me - get complex.
My mum, for those who care of such things, is a Daily
MailFail (Famed for its poor handling of trans stories) reader, and she's made comments from time to time that make me question how accepting she can be. Over the past months I've freed myself a little and been a bit careless with how I walk/body language, and she's made no comment which is good, and I often say I'm the more feminine of me and my sister (Which I am :p ).
I think it's only fair I come out to her before I have my appointment, but I don't know when else I should or how. I've pretty much decided on writing her a letter (Something I should really do soon), but I don't know how to give it to her. I start a near full-time job on Monday (5 days a week, 11-5

) and one option I have is to write this letter and leave it by the kettle when I leave for work (As I'll leave after her), so when she gets back it'll be there. The problem is that I would likely - knowing my luck - come home when she's halfway through it, and I would rather she had some time to digest what's in it. Another option I have would be to write it, hand it to her at night (When she's in bed) and let her read it and specifically ask she doesn't talk to me about it until the next day, with a third being leaving it by the kettle when I go to bed one night (She's up hours before me, so she'll get it then) so she can read it in the morning before work.
Finally, I'm not sure what to say. I know I need to get across that I think this is who I am and that I need her support, but what else? Should I leave most of the details - How far I want to go, what name I'd like etc - until a later point?
I... I'm not sure if I should come out at this stage, though. I'm pretty sure I am trans one moment, and the next I'm less sure, but the feelings never cease nor do they ever go away for any length of time. It's a constant droning in my head.