A betta can breed with similar species like paradise fish. The bettas most often seen in pet stores are Betta splendens. They cannot interbreed with all species of bettas, some of which belong to other genera as well.
in order o go in your room you nreed to click on the little hotel ico in the corner of the screen and then click on rooms then click on own rooms
Although it is very difficult and at times you will think that you cannot or that you'd rather not move on, you nreed to force yourself to do so. Focus on her cheating, lying and all the pain she has caused you to unnecessarily suffer. Eventually resentment will grow from your suffering, which with any luck will spawn feelings of hatred over time that will counter balance the love for her your heart refuses to let go.