Not many people do it but sending a letter to the recruiter who has just hired you can be a great idea. It would get you on the good books of your seniors right away. However, it is very important that you write your letter professionally and having a good example to follow would be very helpful. You can also see Thank You Letter to Recruiter.
Your psychological health is likely to progress when you learn to be grateful. Note that through a show of thankfulness, you will be portraying humility. This is critical for mental health as compared to pride. careerride.com
It is beneficial to say thank you because it improve your physical wellness. You are able to consider other people essential in life and you will care for yourself to ensure they are comfortable in your circles. careerbright.com
Being appreciative paves way to enhancing your self-esteem. This is because you will have no yearn to compare yourself against others but be glad for what they do to better your life. Use this template to write that thank you note. careerfaqs.com.au
Your mental strength will improve if you are appreciative. If you appreciate surviving in terrifying situations, you will overcome stress and trauma with simplicity. Use this template to send a thank you note. career.vt.edu
Appreciation allows you to sleep like a baby. Being in peace with your soul is paramount for survival alone and with other people. Download and use this template to send a thank you note. job-hunt.org
You can download free templates that would help you write the best thank you letters on such occasions. These templates are all available in EPS format and easy to use. Take a look at the samples of various thank you letters and you would surely find the one suited best for you.