Do not let people gaslight you into thinking that duality does not exist. You can be grateful and annoyed. You can want more and be grateful for what you have. You can be angry and frustrated and still be grateful. A lot of religious and spiritual gaslighting out here.
After giving birth, a woman's internal wounds take six months to heal, 12 months for physical recovery, two years for hormonal balance, and up to five years to rediscover her identity. Relationships frequently fail during this time due to a lack of understanding. Be kind and patient with new mothers; they are facing more challenges than it appears.