Milk stash for going back to work

Tatiana🇨🇷♈️💍🇩🇴♏️ • Happily Married. 💏 👰🏽 12.19.08 💙 07.10.16 💓 02.29.20 💙 🐸 🤱🏽BreastMILK is best 🚫 formula

Has anyone started their freezer stash of milk? My LO is 7 weeks today 😭 and so far this is some of what I’ve pumped so far (about 150 oz)