Add the Education or Business relationships to the Spouse's record on the Relationship tab or to the non-constituent spouse's relationship record.

Then, either:

Edit the Filters applied to the Relationship tab to Show Spouse Relationships.
The spouse's relationships will now display on the constituent's record.

OR

From any tab (including the Relationships tab), click the Relationship Tree icon to list all relationships for the constituent and the spouse

OR

To hide the spouse relationships, on the Relationship tab go to Filters > mark box Hide Spouse Relationships