You're nervous about committing to the person you love so deeply. You worry about having your heart shattered all the time.
You do not want to harm the friendship. You worry that the relationship will end and that neither of you will be happy again.
There's a worry that they may not share your feelings. You worry that you have misinterpreted all of their signs.
You're worried that becoming buddies will make you both more productive. You're worried that it wouldn't feel proper to kiss them.
Your insecurities stem from the fact that you worry your emotions could outweigh theirs. You worry that they will say yes to dating you to avoid hurting your emotions.
You're too chicken to ask them out on a date. You're worried that the date won't go as well as it does in your thoughts.
You worry that they may consider you a sibling. You're worried that they have no plans to take things with you to the next level.
You worry that your feelings for them are becoming too strong too quickly. You worry that you wouldn't be able to cope emotionally if you lost them.
Fear that they are still fixated on someone else. Because you're afraid of being compared to others and failing.
You're worried that you could injure them accidentally. You worry that by telling them the truth, you will break their heart.
You're worried that you've begun to conflate platonic companionship with sexual desire. You worry that hanging around with them may lead to trouble.
You worry they will reject you since they have a good understanding of who you are. What you do wrong and how flawed you are is well known to them.