Bullish Trend after pull back respecting support channel

Reviewing this pair there are several reasons to start a trade:

I decided to buy in this trade along in MT4 marking a support (key point) 0.75920 it was before, it became resistance and now is support again with higher lows
For temp long term: Weekly, Diary and 4H price is reaching an important support located in the channel marked with higher lows
In temp H1: RSI is low 40