Carrying a mattress up three flights of stairs is the purest form of love available to most people. No words required. A Saturday and a sore back.
Without hesitation is a good instinct with one edge worth watching. Help arriving before it's asked for can quietly say I don't think you can manage. Sometimes the loving move is to ask first and then move fast.
The spare room made up. The call answered at eleven at night. Nobody keeps score, and everybody remembers.