There's nothing wrong with having a picture or some pictures around the house.
I've always felt that asking someone to remove them is rude and disrespectful, especially if the person has children.
He has a history with her and it's a good one, but remember She's not coming back and in time those memories will begin to fade a little and be replaced with stories of you.
On the other hand, if you find the widow/widower is constantly talking about their late spouse, then he/she may not be ready to date and you may just want to consider a friendship.
"Many young (widows and widowers) feel that once they have lost their spouse, they have caught their limit and are not entitled to love again or simply enjoy companionship." That's often compounded, she says, by friends and family who offer criticism instead of support.Widower Matt Logelin, 34, who lives in Los Angeles with his daughter, Madeline, encourages young widows and widowers to be true to themselves.Logelin runs a foundation in his late wife's name and discusses his life and its challenges on his blog (mattlogelin.com)."We spend so much time worrying about what other people are going to think and how it affects them," Logelin says, "we lose sight of who we are and what our happiness needs to be.My dad died when I was young and my stepfather never told my mom to not talk about him, visit the cemetery or take pictures down. He understood the situation and realized that my dad wasn't going to come back into the picture.5. If children are involved, they may still be grieving and even though their mom/dad has a new boyfriend/girlfriend doesn't mean that the children are going to be so accepting. It's an adjustment for the children and it needs to be respected.There may be a day that seeing you with their mom/dad might be hard on them and they react.