Be honest about why you'd prefer to talk on the phone. Tell your friend that you may be having a hard time expressing yourself via email and would prefer to talk.
[header] How to stop writing emails that are misunderstood [title] Use the phone. [step] If you are truly having trouble with a friend or are having a difficult time expressing yourself, skip trying to email and instead pick up the phone. [substeps] Send a quick email to the recipient that you'd like to chat by phone instead of email.