Sorry if there is already a thread on this...
In March we adopted a lovely little Jack Russell (he looks pure bread but who knows) who we named Jake. When we first got him he was VERY timid, the slightest raised voice near him and he cowered, but now he is comfortable in the house (it's my parents house, I don't live there but visit often) and you would swear he thinks he's the dominant male of the house - poor dad!
Anyway he's gotten a lot more energetic and hyperactive in the last month or so and is much more willing to play games with us. When he gets too hyped up he starts nipping at our hands, grabbing on but not biting down, and personally when he does this I encourage it and play 'keep away' with my hand and get him to chase it around. I know a lot of dogs do this and it is playing and they have no intention of hurting you, but my mum asked me to stop doing it because she is worried that it will turn into aggressive behaviour and/or that if small children come over he might try and do it to them and they will get frightened of him.
What is your view on this? Should this type of play be discouraged? I think he's just having fun with us now that he is comfortable with us.