If the patient and the caregiver are not in the right position when changing from the bed to the chair, a lot can go wrong. If the patient does not have the right support they could fall and injure themselves along with the caregiver and the caregiver needs to have the right angle to be able to support the patient because if they try to move too fast, the patient may get dizzy an the caregiver could easily hurt themselves too.
There is a range of options for pain relief in labour including non-medical techniques ... Knowing what to expect during the various stages of labour can help reduce anxiety.
It would be best to take it to a vet and ask if he has anything on him, or if he is going through some sort of emotional state
Tracking your flexibility over time as you train. There are no requirements on how flexible you need to be and there is no correlation of your length of life or muscle strength with how flexible you are.
I believe the answer is vegetables