What should we expect to happen after repair of aaa?

Depend. Did you have traditional open AAA repair or the endoluminal stent graft repair through the groin incision only. With the stent graft repair, the recovery should be much faster and you should resume normal activity within a week or two.
Recovery is variable. Hopefully your family member had endovascular or stent of aaa. Your surgeon will release you from hospital when you meet criteria. Recovery is variable. Need to monitor for problems while staying on medical regimen. Fever, drainage from incisions, emesis, excessive coughing and pain should be discussed with your care team. Expect fatique. Help maintain medication schedule. Make post operative appt.