Составить предложения со словами just so , i feel , i guess , my opinion is заранее

1) I did it just so because I wanted.
    I gave friends gifts just so to raise their spirits.
2) I feel that it gets cold.
    I feel that today will be something good.
3) I guess we will have good weather.
    I guess I'll go on vacation in another city.
4) Nobody asked for my opinion is this.
    My opinion is on this has changed over the last few days.