Is tense correct and are words correct/needed?

[Tan Elaine]

When I was a training nurse, I realised how fortunate I was when I encountered a patient who was of the same age (as me) and having the same illness as me but he lost his life due to a bad fall during one of the attacks.

I am happy now that my family are all Buddhists and with the establishment of our temple, I, (together) with my family will practise sincerely under the guidance of our Chief Priest and assistant priests and to propagate Buddhism to our next generation.

1. Should it be 'realise' instead of 'realised"?

2. Is the first 'as me' needed?

3. Should the second 'as me' be changed to 'as I'?

4. Is 'together' needed?

5. Are there any other errors?

Sorry for asking so many questions at one go.

Many thanks in advance.

[Tdol]

1 No
2 No, but change having to had
3 Yes, you can change it
4 Leave it in and put a comma after family, or use and
5 will practise- needs an object
6 No to before propagate

[Tdol]

1 No
2 No, but change having to had
3 Yes, you can change it
4 Leave it in and put a comma after family, or use and
5 will practise- needs an object
6 No to before propagate