How do you say

They've been dating for a month now, and things are getting better.

..in Chinese?

他和她已经约会一个月了,感觉越来越好了。

tā hé tā yǐ jīng yuē huì yí gè yuè le , gǎn jué yuè lái yuè hǎo le 。

How do you say "I bought a new dress, which I plan to wear for a month." in Chinese?