How to deal with the ping of a loved one?

my mom ped away two weeks ago and still feeling really down but trying to move on with life because i know thats what she would want me to but im also worried about my dad because i am planning on moving to germany in a few weeks with my husband but starting to question if i should leave my dad this is all so new to me i dont really know how to handle i could use some advice on how to deal with all this..dealing wih the ping of a loved one and figuring out if i should leave my dad??