Context: I am trying a new diet to treat my Lupus.  I really am hoping it works b/c the next steps are some powerful meds that really make me nervous to take
Speaker 1: I am trying a new diet to treat my Lupus.  
Speaker 2: Really!  Good for you!  Are you excited to start or nervous?
Speaker 1: I am nervous b/c so much rides on if this works or not.  If it doesn't than I have to take some really powerful meds that i would rather not take
Speaker 2: It's OK to be nervous, but don't let it stop you!  No risk, no reward!