I have really enjoyed reading your previous posts! I have found your advice to others to be welcome, sensible, kind and sound. Welcome back! I'm so sorry to hear your Nanna passed away. The loss of a loved one is the single most difficult challenge we face in life I think. I understand having recently endured this also. What I find comforting at the moment is that they may be physically gone but they never really leave us, they are always in our heart and mind - always with us! The love we shared with them never leaves us! Give yourself time to grieve, time to be sad and time to recover. It's a good time to draw closer to your family and friends.
Whilst I don't think its a good idea to get carried away with comfort eating (I am a shocking comfort eater - the worst!) because predominately I don't think there is any comfort to be gained (quite the opposite really) I equally think you shouldn't be beating yourself up about any previous weight gain. Look after yourself, eat healthily if you can manage it but just get through this period as best you can and refocus when you're on the other side - and you will get there!
Good luck with everything. I'm sure you'll get there - you have all the right tools and a most sensible approach. Look forward to seeing you 'round