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This is going to be very happy time of your life but at the same time you shouldn't forget that once you get married it will bring a lot of new responsibilities which will be quite new to you. You will need to work hard to fulfill those responsiblities especially during initial years of your marriage. There is a piece of advice for you: Don't expect that things or people will always be the same. It is very hard to sustain a relationship without making compromises. Bollywood only looks good on TV screen. Real life is quite different. If you ever find yourself in some difficulty always ask your heart because you are the one who knows yourself and your relationships better than anyone else. Try not to seek the suggestions of relatives because in the end it is your life. Love your husband, love your new home, love your new family, and love your new life style even if you find it difficult sometime. I know you are more sensible and responsible than me and you already know all these things but it my responsibility as a friend and above all as a brother to offer all the advices I can.

I wish you both good health and many years of happiness. May you make a wonderful couple.

Your friend and brother,
Jackson
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1-- 'Me' is OK in informal English.
2-- Yes, or simply 'advice'.
Comments  
There are only 2 mistakes in your text, which are :

1. I know you are more sensible and responsible than me.

2.
and above all as a brother to offer all the advices

The Mistake in sentence 1 is Me it should be I.
The Mistake in sentence 2 is Advices it should be pieces of advice.

Faisal Samiullah
 Mister Micawber's reply was promoted to an answer.