I think if the conversation is good, the tone of your voice shouldn't matter too much..and if you are enjoying the conversation, your voice will rise and drop naturally with emphasis (in my opinion). My voice is kind of the same, which is why I use my hands a lot when talking.
Oh, it does? I just do it because...I don't know why o.o
dont be practiice loking at the mirror
wear more chain-mail
Puff on a helium balloon.
It's funny how someone completely a stranger to you can write the exact same feelings I feel. Good question! If you find the answer please let me know!! :/