Will the smell of mazi on one's linen render it impure?

Q:

1. I was wondering if the pillows that have been stained by the smell of madhiy through clothes but not directly stained by the moisture itself are impure? (There's no smell on them anymore). I just embarrassingly knew about madhiy this week and I'm trying to repent and avoid sinning thoughts. I masturbate quite often using my pillows before and I'm worried about other things that could have been stained by the smell from the pillows. 

2. I haven't washed anything on my bed and I'm still using them for sleeping and I couldn't possibly wash everything as I don't know which thing could also have been stained by the smell. As they are no visible traces of impurity, I let them dry under the sun is this okay?

3. And I'm also having doubts as sometimes when my feet and hands are wet I get on the bed and I'm wondering if my feet and hands become napaak? My indoor cat also loves to lay on my bed and walk around the house, does this mean I have to wash her?

Taking weight loss capsules that contain gelatine

Q: I would like to ask about taking medicine which contins gelatine in them. Currently I have to take some weight loss capsules to lose weight. These capsules contain gelatine. It does not say what kind of gelatine it is or from which animal it comes from? This medicine is manufactured in the UK. I would like to know If I can take this medicine knowing that it has gelatine in it? Am I allowed to take this medicine to lose weight?

Push present

Q: I wanted to know about "push present" which is a gift from a husband to his wife for her giving birth of the child. It is usually called "push present" because the wife pushes the baby out. Is a push present allowed in Islam? The wife usually expects a gift from the husband because she has suffered nine months and labour as well. Is it ok for her to seek a gift from her husband?

Sniffing water in wudhu

Q:

1. In ghusl, do we have to sniff water into the nose or will pouring suffice?

2. I have read that “Istinshaaq” means taking water into the nose and breathing it into its backmost part. I have also read that according to Imam Abu Hanifa (rahimahullah) Istinshaaq is obligatory in ghusl and Istinthaar is desirable. (Durre Mandhuud p.167 & p.279 v.1)