Loyal Jew -“Also, with some kinds of therapy there is negiya.”
I never heard of such a type of therapy, but if there is then obviously you can’t do it.
“Health, the achronim assur all kinds of talking with the other gender even without yichud.”
Name One Shitta that Assurs talking to a woman for a good reason!
I guess when s/o goes out on a date they must communicate with the other party in sign language or by writing notes or nowadays by texting/email.