Sandra Bullock and Bryan Randall have discussed ''spending the rest of their lives together''.

The 51-year-old Oscar winner and the 49-year-old photographer have only been dating for a few months but things are already serious between them.

A source told E! News: ''Sandra and Bryan have a very busy schedule, so the time they do have, they are with each other. They have discussed spending the rest of their life together, but taking day by day and just enjoying each other. Sandra couldn't ask for a better guy. They have a great dialogue when together and say 'I love you' very fluidly.''

And Bryan has also been spending time with Sandra's son Louis, who recently started kindergarten, while Sandra has gotten to know Bryan's daughter.

The insider said: ''Bryan has been an amazing support system to her and Louis. They are completely in love and Bryan is by her side.

''Sandra and Bryan are getting serious and spending a good amount of time together. Sandra has met Bryan's daughter and family and loves everything about them.''