Moon in Cancer
The Moon rules this sign, so it is entirely at home and entirely undefended.
The Moon is the sign that matters most here
Ask a Western astrologer for your sign and they answer with the Sun. Ask an Indian astrologer and they answer with the Moon, because in jyotish the Moon carries the mind: how you take things in, how you settle, what you need to feel safe. It is also read in the sidereal zodiac rather than the seasonal one, and the two have drifted about 24 degrees apart.
The practical consequence is that roughly four people in five get a different Moon sign here than in a Western chart. If you were told your Moon was in Leo, Cancer is the sign directly before it, and this is the reading jyotish would actually use.
What a Cancer Moon is like
This is the Moon in its own house: maximum feeling, maximum memory, maximum attachment to home and to people. A Cancer Moon remembers emotional detail other people have genuinely forgotten, and it protects what it loves without being asked.
Your Moon is in Cancer, its most natural home, which means your emotional tide is strong and true. You feel everything, and often feel it for everyone around you before they notice it themselves.
Jyotish also rates the Moon's condition by sign, and in Cancer it is in its own sign. The Moon rules this sign, so it is entirely at home here, with all the feeling and all the exposure that implies.
How it settles, and how it strains
What settles it. Home, and the small number of people who count as home. Nourishing someone else settles it as reliably as being nourished.
Where it strains. The shell. Withdrawal that reads to others as coldness and is actually the opposite.
The birth stars inside Cancer
A sign is 30 degrees, and a nakshatra is 13 degrees 20 minutes, so Cancer holds 2 whole birth stars and shares the rest at its edges. Your nakshatra refines this reading considerably: two people with the Moon in Cancer can be very unalike if their birth stars differ.
Sidereal positions use the Lahiri ayanamsa, the Indian government standard. The Moon crosses a sign in roughly two and a half days, so a date alone usually settles it, but a birth time removes any doubt.