Therapy is no magic wand for relatioships

He wants us to try joint therapy, but I worry that it will put too much stress and pressure on the situation, and make us feel like the spotlight is on us. Will it make it better?
While it is admirable that your husband is being proactive about improving your relationship, the trouble with putting an essentially healthy – if slightly stressed and sexless – relationship under the microscope is the intractable tendency to focus on what is wrong, as opposed to what is right.