This is known as cervical radiculopathy.
Depending on what you are experiencing your muscles can react in many ways but you may be pushing yourself or going to fast, it is also best that stretch before anything.
You can tell if a relationship is unhealthy because they are not happy. Also, if there is abuse, both physical or verbal.
Mental and emotional both deal with the well being of your mind, but mental health is something you’re born with but emotional health you develop over time