Mother and I always stay more or less in constant contact.
They need constant physical contact for their first few weeks or months of life.
For three days they had been in constant physical contact.
Since then they had been in constant contact, and when the time.
I have been in constant contact with them for the last two days.
We use them to stay in constant contact with family, work and friends.
We did, however, remain in almost constant physical contact with each other.
They keep in constant e-mail contact and talk by phone every couple of weeks.
They have stayed in constant contact, particularly because of their daughter.
These were expected to be in constant contact and to develop common policies.