Writing down your thoughts is such a healing practice!
Get yourself a cheap journal or invest in more elaborate one; either way, keep it with you so you pour your thoughts into it whenever you want.
If you would like some journaling prompts, check out this article-
Natalie Doback wrote this article for Rochester Institute of Technology’s Her Campus chapter. It’s a good reference to come back to since it contains lots of journaling prompts that promote self-love, care, and healing!