Guided visualization is a powerful technique that can help cultivate feelings of happiness and optimism. Here is a sample guided visualization script you can try:

Find a comfortable place to sit or lie down. Take a few deep breaths, allowing your body to relax. Imagine yourself in a beautiful, peaceful setting - perhaps a sun-dappled forest, a serene beach, or a tranquil mountain meadow.

See the details of this place vividly in your mind's eye. Notice the colors, shapes, and textures all around you. Feel the warmth of the sun on your skin, the gentle breeze caressing your face. Hear the sounds of nature - birds chirping, leaves rustling, a babbling brook.

As you take in this calming environment, feel a deep sense of peace and contentment wash over you. Your body is relaxed, your mind is calm and clear. You feel safe, secure, and at ease.

Now, visualize a radiant light filling your body, starting at your heart and spreading outward. This light represents your inner joy, happiness, and optimism. With each breath, the light grows brighter and stronger.

Imagine this light energizing every cell of your body, filling you with a profound sense of wellbeing. You feel lighter, more vibrant, and joyful. All worries and anxieties melt away, replaced by a profound sense of gratitude and hope.

Take a moment to truly soak in these positive feelings. Imagine carrying this sense of happiness and optimism with you as you go about your day. Whenever you need a boost, you can return to this peaceful, joyful place in your mind.

When you're ready, slowly open your eyes, feeling refreshed, energized, and optimistic about the path ahead.**

I hope this guided visualization is helpful for cultivating more happiness and optimism.