Bless you, it does seem quite soon to go back to work but then the focus might well keep you active and in a routine. I lost my dad to cancer and afterwards it inspired me to become a carer and eventually activities co ordinator for palliative clients. It allowed me the empathy and understanding to successfully assist me in supporting the clients and their families. 

I can't imagine how you are actually feeling after losing your husband and life partner, as I suppose we rely so much on our husbands for so many things. 

My friend lost her husband 12 years ago and she found it difficult with practical things, if something needed repairing she had a shed full of tools and equipment but no idea how to use any of it. I bought her a book on good housekeeping. It was an old book but it taught you everything from how to sew to hang wallpaper. Eventually she became more and more independent, driving further distances alone, making big decisions, purchases etc. managing the bills and insurance etc. As her friends we all tried to support her and asked her to tell us stories about their life, she often smiled thinking of him she often cried. But we encouraged her to keep asking for our support and we gave the best we could or found the best source of information if we couldn't help. We drank lots of tea and had many late nights chatting. I urge you to utilise your friends now they will listen. it maybe the same friend everytime, but don't think the others don't care they just probably fear they won't be a good help or say the wrong thing. Don't concern yourself with that or take it personal. They just lack the required skills. The Internet is a great source of information and there is a video on you tube for how to do literally anything diy. Citizens advice can advise you on your financial way forward and depending on your age also age uk may be of assistance. Your GP will also support you through this through the relevant sources. You are not alone no matter how lonely you feel. 

Stay strong... God bless