Companions will be able to do solo missions by themselves as assigned by the player. (For example, see Crafting below.). In addition, companion characters will have quests for their own storyline. If the player chooses to complete a companion's quests, it can change the affection level of that companion.
This can often be caused by nervousness, literally getting cold feet.. Lack of adequate blood flow to the feet through the arteries can also make the feet cold. But in all these situations, the feet feel cold to the touch. Often the sensation of cold feet is benign and there is no serious underlying cause. However, experiencing the sensation of cold feet that don't feel cold to the touch may be a sign of a nerve problem. For example, peripheral neuropathy can cause this symptom. Peripheral neuropathy occurs as a result of nerve damage caused by injury or an underlying medical disorder.
Answers from Sheldon G. Sheps, M.D. Leg and foot swelling during air travel is common and typically harmless. The most likely culprit is inactivity during a flight. Sitting with your feet on the floor for a long period causes blood to pool in your leg veins. The position of your legs when you are seated also increases pressure in your leg veins. This contributes to foot swelling by causing fluid to leave the blood and move into the surrounding soft tissues.