Girls, I'm weaning from the breast and came to my mom, the first day: …

Girls, I'm weaning from the breast and came to my mom, the first day: yesterday morning at 10-11 once fed then everything, at night didn't ask, played distracted and fell asleep tired. Usually wakes up at night 2-3 times always asking for a breast, but today he didn't wake up at all, which I'm very happy about, but in the morning at 10 he woke up and immediately cries and opens his shirt asking for a breast, I bought Nestle 4 but doesn't drink from it at all. ? What should I do? He doesn't even drink kefir, I would like to give him Nestle at night, how to teach a baby to