From there, it can easily be modified through simple legal procedures if either of you want it modified in the future and it avoids arguments that get the
child involved. You will have the option of sharing joint legal and physical
custody, or just joint legal custody, or one of you can request full legal AND physical custody (I have this with my son; my ex just has visitation rights in our state only and child support but no custody rights), but don't expect that without some objection...