If you did not connect your accounts during your first visit to the Maybe* platform, connecting them now is very easy.
Go into Settings and select Social Accounts.
Click on each icon and you'll be taken through the process to connect your accounts.
Because Facebook owns Instagram, if you connect your Facebook account first, your Instagram account should automatically be connected. However, if you connect your Instagram account first, you will be prompted to connect through Facebook.
If you have not connected your Facebook and Instagram accounts together, here is an article on how to do this.