In a relationship it might inject new energy where it has gone stale. It can also help with communicating emotions. It doesn't take much of an effort to change things around. Make a change or two and be amazed at how everything improves. Turquoise is easy to come by in the form or jewellery, or buy some new clothes, cushions or other small items for the house.
Sandalwood is a good oil to burn to help with relaxation and ease of discussion.
Small gestures like cutting out pictures of aeroplanes and boats and meditating on them will help you on your way. Yellow is a colour associated with energy, movement and travel. Maybe what you need is yellow curtains to remind you daily to make a move in your life. Find some yellow flowers for your home, they can be plastic ones from a thrift store, it's the colour that counts, not whether they are real or not. Your accomplishments match your visions of them.