Just be aware that your baby is only 10 weeks old. AND, babies often go through "cluster feeding" during growth-spurts... and this means that cluster-feeding is something whereby they feed even every single hour (which my kids did as babies when they were growing exponentially and changing in development). They need it. They are growing. And yes, feeding on demand, per the INFANT, means they probably need the extra sustenance/nutrition/calories to account for their growth. THUS, feeding is not on a "schedule" and often an infant may "need" to feed more often, or less. It is NEVER static. Some days, an infant can have a ginormous appetite, and on other days, not. it will ebb and flow.
At this age, you are not a "pacifier" although some infants need the oral "sucking"... which they even do in your tummy before they are born. It is an "instinct" so that they get fed as needed.
Watch for her "feeding cues" and rooting cues... THIS also means she is plain hungry.
A baby this age will thus, wake. She is cluster-feeding. ALSO make sure she is latching on properly... otherwise she will not be getting enough intake, and make sure your milk IS coming in, and your supply is adequate. If not, this often makes for a hungry newborn.
YOu can Google "cluster feeding" online.
Here is a link about it:
http://www.kellymom.com/babyconcerns/fussy-evening.html
Contrary to your Doctor, my Pediatrician says to feed On demand... 24/7, day and night, for the first year of life. THIS IS THE BUILDING BLOCK time, when a baby NEEDS the nutrition via breast/Formula, and for their immune system too. Your baby is ONLY an infant....they need to be fed, not taken off the breast at this age. They are hungry. OF COURSE, they will cry when taken off the breast, especially if they are hungry. AND, at this age, they are STILL needing to "bond" with their Mommy... YOU are their "comfort" and security. NOTHING wrong with that. THAT is how a baby survives and get what they need.
When I had my 2nd child and he was still an infant... my daughter was about 3-4 years old. We 'explained' to her in age appropriate ways... what a "baby" is and what they do and that they DO wake and they DO cry... but its okay, because Mommy will take care of baby, her brother. With our 'explaining' to her... our daughter became very understanding of her baby brother, and the waking and crying.
All the best,
Susan