Thank you so so much for your replies, this helps me a great deal. I know him really well and I know he cares about me and doesn't just want sex. We haven't even talked about that much, just in flirty conversion, but I know this is something we both want as well as spending time together. I wouldn't want someone to come along with me travelling if i didn't trust them, so luckily he is someone i know I can trust a lot.
I'm thinking I should tell him soon. Can I ask which hand outs you mean? is there files i can send him so he gets knows the real facts?
thanks again, you have made me feel so much better!